APOLOGIST
apologist, vindicator, justifier
(noun) a person who argues to defend or justify some policy or institution; “an apologist for capital punishment”
Source: WordNet® 3.1
Etymology
Noun
apologist (plural apologists)
One who makes an apology.
One who speaks or writes in defense of a faith, a cause, or an institution.
• Aleksandar Hemon, New York Times, 15 October 2019
Synonyms
• (one who makes an apology): apologizer, apologiser
Source: Wiktionary
A*pol"o*gist, n. Etym: [Cf. F. apologiste.]
Definition: 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 Edition