Crossword Genius

Motto of one who keeps putting off ardent admirer? (8)

Ross

I believe the answer is:

idolater

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'admirer?' is the definition.
(I've seen this before)

I cannot understand how the remainder of the clue works.

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(Other definitions for idolater that I've seen before include "Heathen" , "One who worships a false god or graven image" , "I love a religious image" , "No orthodox believer" , "One admires" .)

I've seen this clue in The Irish Times.
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