partisan vs admirer

partisan and admirer both are nouns.

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

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

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

partisan (noun)	admirer (noun)
a pike with a long tapering double-edged blade with lateral projections; 16th and 17th centuries	someone who admires a young woman
a fervent and even militant proponent of something	a person who backs a politician or a team etc.
an ardent and enthusiastic supporter of some person or activity	a person who admires; someone who esteems or respects or approves

partisan (adjective)	admirer (adjective)
devoted to a cause or party