Glenn Drapeau, 47, director of the Dakota Language Department at the Marty Indian School, poses for a portrait outside his home in Lake Andes, South Dakota, U.S., September 12, 2021. He blames the old federal Indian boarding school system for upending Native American families by isolating children from their parents and tribes. "We pray our elders’ truth will be known," Drapeau said. REUTERS/Callaghan O'Hare SEARCH "O'HARE YANKTON" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES