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"admirer" is also used as a crossword clue. If that's what you saw, the answer is often fan (3 letters).
Definitions
someone who admires a young woman
Word origin
From admire + -er.
Used in a sentence
“Deven is an enthusiastic admirer of The Beatles.”
“For quotations using this term, see Citations:admirer.”
“Although he has a number of admirers, he prefers to remain single.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Fan”7 letters
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