Final answer:
Frederick Douglass, a black abolitionist born into slavery, wrote an autobiography on his life as a slave titled, Narrative of the Life of Frederick Douglass, An American Slave Written by Himself, which played a significant role in the abolitionist movement.
Step-by-step explanation:
The famous black abolitionist who wrote an autobiography of his former life as a slave was Frederick Douglass. Douglass was born into slavery in Maryland in 1818 and managed to escape to New York in 1838. His experience with slavery and his subsequent escape led him to become a lecturer and active participant in the abolitionist movement. In 1845, he published his autobiography, titled Narrative of the Life of Frederick Douglass, An American Slave Written by Himself wherein he shared his experiences as a slave and the brutalities he encountered. His narrative played a crucial role in highlighting the atrocities of slavery and consequently aided in the abolitionist movement.
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