Definition of "abolitionist"
adjective
comparative more abolitionist, superlative most abolitionist
(historical, US) A person who favored or advocated the abolition of slavery.
Quotations
Among other slave notabilities of the plantation, was one called by everybody Uncle Isaac Copper. It is seldom that a slave gets a surname from anybody in Maryland; and so completely has the south shaped the manners of the north, in this respect, that even abolitionists make very little of the surname of a negro.
1855, Frederick Douglass, chapter 3, in My Bondage and My Freedom. […], New York, Auburn, N.Y.: Miller, Orton & Mulligan […]