The famous American abolitionist who escaped slavery and became a prominent speaker for the movement was Frederick Douglass. Born into slavery in Maryland around 1818, Douglass escaped in 1838 and dedicated his life to advocating for the abolition of slavery and the rights of African Americans. He became a powerful orator, writer, and social reformer, using his eloquent speeches and writings, including his autobiography, "Narrative of the Life of Frederick Douglass, an American Slave," to highlight the brutal realities of slavery. His efforts were influential in raising awareness and garnering support for the abolition movement, making him a key figure in American history.