the GNU version of the Collaborative International Dictionary of English
n. An advocate of emancipation, esp. the emancipation of slaves.
The Century Dictionary and Cyclopedia
n. One who is in favor of or advocates the emancipation of slaves.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a reformer who favors abolishing slavery
Word Usage
"Before it was the home of the famous emancipationist, newspaper publisher, Minister to Russia, friend to Abraham Lincoln, founder of the Republican Party — it was the home of a Revolutionary War hero, and the home of many slaves."