"admirer" in the noun sense
1. supporter, protagonist, champion, admirer, booster, friend
a person who backs a politician or a team etc.
"all their supporters came out for the game"
"they are friends of the library"
a person who admires someone who esteems or respects or approves
3. admirer, adorer
someone who admires a young woman
"she had many admirers"
Source: WordNet® (An amazing lexical database of English)
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