admirer vs proponent

admirer and proponent both are nouns.

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

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

Other hypernyms of admirer include advocate, advocator, exponent.

admirer (noun)	proponent (noun)
someone who admires a young woman	a person who pleads for a cause or propounds an idea
a person who backs a politician or a team etc.
a person who admires; someone who esteems or respects or approves