admirer in WordNet English dictionary

1. someone who admires a young woman
   "she had many admirers"
   admirer  adorer 
   
2. a person who backs a politician or a team etc.
   "all their supporters came out for the game"; "they are friends of the library"
   supporter  protagonist  champion  admirer  booster  friend 
   
3. a person who admires; someone who esteems or respects or approves
   admirer