apologist vs vindicator

apologist and vindicator both are nouns.

Word	Noun	Adjective	Verb	Adverb
apologist	Yes	No	No	No
vindicator	Yes	No	No	No

As nouns, apologist and vindicator are synonyms defined as:

apologist and vindicator: a person who argues to defend or justify some policy or institution

Other synonyms of apologist include justifier.

apologist (noun)	vindicator (noun)
a person who argues to defend or justify some policy or institution	a person who argues to defend or justify some policy or institution