Who, for example, is a model? (5)

I believe the answer is:

poser

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

I can't explain the remainder of the clue.

(Other definitions for poser that I've seen before include "Maybe model" , "Spore raises a difficult question" , "Puzzling problem" , "Person still being portrayed" , "Ropes (anag.)" .)

I've seen this clue in The Hindu.

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