He soon became an abolitionist (someone who wants to end slavery), and worked with other abolitionists such as William Lloyd Garrison . He was the most powerful speaker for abolitionism. Frederick also published his own newspaper "North Star". He wrote two books, Narrative of the Life of Frederick Douglass and My Bondage and My Freedom . Douglass spent several years in England and Ireland . During the Civil War , Douglass was the most famous black man in the country, and met Abraham Lincoln . After the War, he served as Ambassador to Haiti and an advocate for equal rights for African-Americans. 
Douglass was appointed to several political positions following the war. He served as president of the Freedman's Savings Bank and as chargé d'affaires for the Dominican Republic. After two years, he resigned from his ambassadorship over objections to the particulars of . government policy. He was later appointed minister-resident and consul-general to the Republic of Haiti, a post he held between 1889 and 1891.