Tense Dutch spy in smallest room finds rake (8)

I believe the answer is:

lothario

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

I cannot understand how the rest of the clue works.

(Other definitions for lothario that I've seen before include "Don Juan-type character" , "Successful womaniser" , "A Gay libertine" , "Libertine - ol' hot air (anag)" , "Libertine or woman-chaser" .)

I've seen this clue in The Telegraph.

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