believer vs admirer

believer and admirer both are nouns.

Word	Noun	Adjective	Verb	Adverb
believer	Yes	No	No	No
admirer	Yes	No	No	No

As nouns, admirer is a hypernym of believer; that is, admirer is a word with a broader meaning than believer:

Other hypernyms of believer include booster, champion, friend, protagonist, supporter.

believer (noun)	admirer (noun)
a person who has religious faith	someone who admires a young woman
a supporter who accepts something as true	a person who backs a politician or a team etc.
	a person who admires; someone who esteems or respects or approves