Matilda Black Bear

Matilda "Tillie" Black Bear (Lakota: Wa Wokiye Win, meaning Woman Who Helps Everyone; December 10, 1946 – July 19, 2014) was a Lakota anti-domestic violence activist known as the Grandmother (Unci) of the Grassroots Movement of Safety for Native Women. She worked as an activist, therapist, school counselor, nonprofit administrator, and college instructor.