Grant, the hereditary chief and medicine man of the Sac and Fox tribe, “traveled the world speaking of his traditions, his experiences, his sobriety and his faith as both a Native American and a Christian,” the note added.Grant, the hereditary chief and medicine man of the Sac and Fox tribe, “traveled the world speaking of his traditions, his experiences, his sobriety and his faith as both a Native American and a Christian,” the note added.