One might be painting destroyer? (10)

I believe the answer is:

iconoclast

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'painting destroyer?' is the definition.
(someone who destroys religious icons or artworks)

I don't understand how the rest of the clue works.

(Other definitions for iconoclast that I've seen before include "heretic" , "Critic of faith" , "Challenging type" , "A dissident" , "Rebel" .)

I've seen this clue in The Telegraph.

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