Which well known abolitionist spoke about his difficult life as a slave?

Frederick Douglass is a well-known abolitionist who spoke about his difficult life as a slave. He wrote several autobiographies, including "Narrative of the Life of Frederick Douglass, an American Slave," in which he detailed his experiences as a slave and his escape to freedom. Douglass became a prominent voice in the abolitionist movement and used his personal story to advocate for the end of slavery in the United States.