n.
One who is devoted to the promotion of human welfare and the advancement of social reforms; a philanthropist.
adj.
Of, relating to, or characteristic of a humanitarian or humanitarianism. See synonyms at humane.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.