Stokely Carmichael, I believe
Answer:
Self reliance: reliance on one's own powers
Explanation:
A self-reliant person is willing and able to fix their own toilet, grow their own food, and figure out what they're supposed to do next. Self-reliance combines well with self-belief. Self-belief means you think you can do anything.
W.E.B. Du Bis was (he was born in 1868, couldn't possibly be alive today) an American sociologist, historian, author, editor and civil rights activist who was one of the leaders of Harlem Renaissance.