Stop key leaving with English chap (5)

I believe the answer is:

bloke

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But I can't explain it at all! Could you help me understand?

(Other definitions for bloke that I've seen before include "Fellow (informal)" , "Man (colloq.)" , "Chap, man" , "Geezer" , "British fellow or chap" .)

I've seen this clue in The Mirror.

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