ABOLITIONIST

abolitionist, emancipationist

(noun) a reformer who favors abolishing slavery

Source: WordNet® 3.1

Etymology

Adjective

abolitionist (comparative more abolitionist, superlative most abolitionist)

(historical) In favor of the abolition of slavery. [since the late 18^th century]

Noun

abolitionist (plural abolitionists)

A person who favors the abolition of any particular institution or practice. [since the late 18^th century]

(historical, US) A person who favored or advocated the abolition of slavery. [since the late 18^th century]

Source: Wiktionary

Ab`o*li"tion*ist, n.

Definition: A person who favors the abolition of any institution, especially negro slavery.

Source: Webster’s Unabridged Dictionary 1913 Edition