crusader, meliorist, reformer, reformist - a disputant who advocates reform

Beecher, Henry Ward Beecher - United States clergyman who was a leader for the abolition of slavery (1813-1887)

John Brown, Brown - abolitionist who was hanged after leading an unsuccessful raid at Harper's Ferry, Virginia (1800-1858)

Douglass, Frederick Douglass - United States abolitionist who escaped from slavery and became an influential writer and lecturer in the North (1817-1895)

William Lloyd Garrison, Garrison - United States abolitionist who published an anti-slavery journal (1805-1879)

Harriet Beecher Stowe, Harriet Elizabeth Beecher Stowe, Stowe - United States writer of a novel about slavery that advanced the abolitionists' cause (1811-1896)

Arthur Tappan, Tappan - United States abolitionist (1786-1865)

Sojourner Truth, Truth - United States abolitionist and feminist who was freed from slavery and became a leading advocate of the abolition of slavery and for the rights of women (1797-1883)

Harriet Tubman, Tubman - United States abolitionist born a slave on a plantation in Maryland and became a famous conductor on the Underground Railroad leading other slaves to freedom in the North (1820-1913)

Theodore Dwight Weld, Weld - United States abolitionist (1803-1895)