Apologist
Pronunciation : A*pol"o*gist
Part of Speech : n.
Etymology : [Cf. F. apologiste.]
Definition : Defn: One who makes an apology; one who speaks or writes in defense of a faith, a cause, or an institution; especially, one who argues in defense of Christianity.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder