gentile vs idolater

gentile and idolater both are nouns.

Word	Noun	Adjective	Verb	Adverb
gentile	Yes	Yes	No	No
idolater	Yes	No	No	No

As nouns, idolater is a hyponym of gentile; that is, idolater is a word with a more specific, narrower meaning than gentile:

Other hyponyms of gentile include paynim, idol worshiper, idoliser, idolizer.

gentile (noun)	idolater (noun)
a Christian as contrasted with a Jew	a person who worships idols
a person who does not acknowledge your god
a person who is not a member of one's own religion; used in this sense by Mormons and Hindus
a Christian

gentile (adjective)	idolater (adjective)
belonging to or characteristic of non-Jewish peoples