Underclass midshipmen salute during the national anthem at the U.S. Naval Academy graduation and commissioning ceremony in Annapolis, Maryland, U.S., May 27, 2022. REUTERS/Kevin Lamarque 

An Ultra-Orthodox Jewish man hangs pictures of Rabbi Ovadia Yosef during his memorial rally in Jerusalem October 13, 2013. Rabbi Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force, died last Monday at the age of 93. REUTERS/Baz Ratner (JERUSALEM - Tags: RELIGION POLITICS) 

An Ultra-Orthodox Jewish youth tries to sell a picture of Rabbi Ovadia Yosef during his memorial rally in Jerusalem October 13, 2013. Rabbi Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force, died last Monday at the age of 93. REUTERS/Baz Ratner (JERUSALEM - Tags: RELIGION POLITICS) 

Ultra-Orthodox Jewish men pray during a memorial rally for Rabbi Ovadia Yosef in Jerusalem October 13, 2013. Rabbi Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force, died last Monday at the age of 93. REUTERS/Baz Ratner (JERUSALEM - Tags: RELIGION POLITICS TPX IMAGES OF THE DAY) 

Ultra-Orthodox Jewish men hold a picture of Rabbi Ovadia Yosef during his memorial rally in Jerusalem October 13, 2013. Rabbi Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force, died last Monday at the age of 93. REUTERS/Baz Ratner (JERUSALEM - Tags: RELIGION POLITICS) 

An Ultra-Orthodox Jewish man hangs a picture of Rabbi Ovadia Yosef to be sold during his memorial rally in Jerusalem October 13, 2013. Rabbi Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force, died last Monday at the age of 93. REUTERS/Baz Ratner (JERUSALEM - Tags: RELIGION POLITICS OBITUARY) 

An Ultra-Orthodox Jew sits next to a grave at a cemetery during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/ Nir Elias (JERUSALEM - Tags: POLITICS RELIGION) 

Jewish people read holy Jewish books outside the cemetery during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/ Nir Elias (JERUSALEM - Tags: POLITICS RELIGION) 

Ultra-Orthodox Jewish men lift a boy during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/ Nir Elias (JERUSALEM - Tags: POLITICS RELIGION) 

Ultra-Orthodox Jewish teens stand on a wall at a cemetery during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/ Nir Elias (JERUSALEM - Tags: POLITICS RELIGION) 

Ultra-Orthodox Jews make their way to the cemetery during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Ammar Awad (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

A general view shows ultra-Orthodox Jews making their way to the cemetery during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Ammar Awad (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jews walk near a convey during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Ammar Awad (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men carry the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, into a seminary before his funeral in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men gather on a balcony as they watch the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men stand atop a roof as they watch the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS OBITUARY RELIGION) 

Ultra-Orthodox Jewish men mourn as they stand on a balcony during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men mourn during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish youths sit atop a roof as they watch the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men lift a boy during the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jews wait for the beginning of the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. More than half a million mourners turned out on Monday for the funeral of Yosef, an Iraqi-born sage who transformed an Israeli underclass of Sephardic Jews of Middle East heritage into a powerful political force. REUTERS/Baz Ratner (JERUSALEM - Tags: POLITICS OBITUARY RELIGION TPX IMAGES OF THE DAY) 

Aryeh Deri (C), leader of the ultra-religious Shas political party, looks on near the body of Rabbi Ovadia Yosef, the spiritual leader of Shas, before his funeral at a seminary in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men gather near the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, before his funeral at a seminary in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

An ultra-Orthodox Jewish man leans against a window near the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, at a seminary before his funeral in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men recite prayers near the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, before his funeral at a seminary in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men carry the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, into a seminary before his funeral in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

A general view shows crowds of ultra-Orthodox Jewish men attending the funeral of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish youths stand atop a roof as they wait for the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, to be brought to a seminary before his funeral in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men gather near the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, before his funeral at a seminary in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men recite prayers near the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, before his funeral at a seminary in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men gather near the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, before his funeral at a seminary in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: POLITICS RELIGION OBITUARY TPX IMAGES OF THE DAY) 

Ultra-Orthodox Jewish men try to push past a police cordon in an attempt to reach a vehicle transporting the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, before his funeral in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Nir Elias (JERUSALEM - Tags: RELIGION OBITUARY) 

Israeli Prime Minister Benjamin Netanyahu (3rd R) and President Shimon Peres (2nd R) stand near the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, before his funeral in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Nir Elias (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Ultra-Orthodox Jewish men gather around the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, before his funeral in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Nir Elias (JERUSALEM - Tags: RELIGION OBITUARY) 

Israeli Prime Minister Benjamin Netanyahu (4th R) and President Shimon Peres (2nd R) stand near the body of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, before his funeral in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Nir Elias (JERUSALEM - Tags: POLITICS RELIGION OBITUARY TPX IMAGES OF THE DAY) 

An ultra-Orthodox Jewish woman reacts upon hearing about the death of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, at Hadassah Ein Kerem Hospital in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ammar Awad (JERUSALEM - Tags: RELIGION OBITUARY) 

Onlookers watch from a hospital window as ultra-Orthodox Jews mourn upon hearing about the death of Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, at Hadassah Ein Kerem Hospital in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ammar Awad (JERUSALEM - Tags: RELIGION OBITUARY) 

Ultra-Orthodox Jewish men walk after visiting Rabbi Ovadia Yosef, the spiritual leader of the ultra-religious Shas political party, at Hadassah Ein Kerem Hospital in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ammar Awad (JERUSALEM - Tags: RELIGION OBITUARY) 

Aryeh Deri (C), leader of the ultra-religious Shas political party, reacts as he address the media upon hearing news about the death of Rabbi Ovadia Yosef, the spiritual mentor of Shas, at Hadassah Ein Kerem Hospital in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ammar Awad (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

Israeli President Shimon Peres (2nd R) arrives to visit Rabbi Ovadia Yosef, the spiritual mentor of the ultra-religious Shas political party, at Hadassah Ein Kerem Hospital in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ammar Awad (JERUSALEM - Tags: POLITICS RELIGION OBITUARY) 

An ultra-Orthodox Jewish man reacts upon hearing news about the death of Rabbi Ovadia Yosef, the spiritual mentor of the ultra-religious Shas political party, at Hadassah Ein Kerem Hospital in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ammar Awad (JERUSALEM - Tags: RELIGION OBITUARY TPX IMAGES OF THE DAY) 

An ultra-Orthodox Jewish man reacts upon hearing news about the death of Rabbi Ovadia Yosef, the spiritual mentor of the ultra-religious Shas political party, in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: RELIGION OBITUARY) 

Ultra-Orthodox Jewish men react upon hearing the news about the death of Rabbi Ovadia Yosef, the spiritual mentor of the ultra-religious Shas political party, in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: RELIGION OBITUARY TPX IMAGES OF THE DAY) 

An ultra-Orthodox Jewish man reacts upon hearing news about the death of Rabbi Ovadia Yosef, the spiritual mentor of the ultra-religious Shas political party, in Jerusalem October 7, 2013. Yosef, an Iraqi-born sage who turned an Israeli underclass of Sephardic Jews of Middle Eastern heritage into a powerful political force, died on Monday at the age of 93, plunging masses of followers into mourning. REUTERS/Ronen Zvulun (JERUSALEM - Tags: RELIGION OBITUARY) 

Street cleaners from the Akhdam community collect garbage in Yemen's southwestern city of Taiz October 10, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 10, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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Ahlam Salem, 15, moves in an ally in a slum area in Yemen's southwestern city of Taiz October 11, 2012. Ahlam, a member of the Akhdam community, had her legs amputated by cancer surgeons eight years ago due to a malignant cancer tumor. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 11, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY TPX IMAGES OF THE DAY HEALTH)

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A girl carries a jerry can filled with water she collected from a makeshift well in a slum area of the Akhdam community in Yemen's western port city of Houdieda October 15, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 15, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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A boy stands at the door of his family's hut in a slum area in Yemen's western port city of Houdieda October 15, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 15, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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A general view of a slum area of the Akhdam community in Sanaa October 24, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 24, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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A man from the Akhdam community cooks chicken feet outside his hut in Yemen's western port city of Houdieda October 16, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 16, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY FOOD POVERTY)

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Women stand by the door of their hut in a slum area of the Akhdam community in Yemen's western port city of Houdieda October 14, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 14, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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A man from the Akhdam community sleeps on the side of a street in Yemen's western port city of Houdieda October 16, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 16, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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A man poses for a photo with his grandchildren in their hut in a slum area of the Akhdam community in Yemen's western port city of Houdieda October 15, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 15, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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A girl collects water from a makeshift well at a slum area of the Akhdam community in Yemen's western port city of Houdieda October 14, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 14, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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A woman from the Akhdam community holds her son in a slum area in Yemen's southwestern city of Taiz October 11, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 11, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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A woman and her granddaughter stand at the door of their hut in a slum area of the Akhdam community in Yemen's western port city of Houdieda October 14, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 14, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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A poster of Yemen's former president Ali Abdullah Saleh hangs inside the hut of an Akhdam family in a slum area in Yemen's southwestern city of Taiz October 12, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 12, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY POLITICS)

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A boy lies in a baby hammock in his family's hut in a slum area of the Akhdam community in Yemen's western port city of Houdieda October 14, 2012. Yemeni Akhdam, or servants, are similar to hereditary castes, but are distinguished by their African features and the menial jobs they perform. Widespread prejudice places the Akhdam at the bottom of Yemen's social ladder. Asked about the origins of the Akhdam, Yemenis say they are descendants of Ethiopians who crossed the Red Sea to conquer Yemen before the arrival of Islam some 1,400 years ago - making them outsiders in their own country. Most live in slum areas in the outskirts of the capital Sanaa and other main cities. They reside in small huts haphazardly built of wood and cloth, without basic services such as running water, electricity and sewage networks. Picture taken October 14, 2012. REUTERS/Khaled Abdullah (YEMEN - Tags: SOCIETY POVERTY)

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