Frederic Douglass was an African-American social reformer, abolitionist, orator, writer, and statesman. He was born into slavery in Maryland but escaped at age 20 to become a national leader of the abolitionist movement. He was one of the most prominent figures in American history and his work helped to end slavery in the United States. The crossword solution for FREDERIC DOUGLASS WAS ONE is SLAVE, which accurately reflects his experience as a SLAVE before he escaped.