Scold flier for capturing traitor (6)

I believe the answer is:

berate

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'scold' is the definition.
(I know that scold can be written as berate)

'flier for capturing traitor' is the wordplay.
'flier for' becomes 'bee' (I can't justify this - if you can you should give a lot more credence to this answer).
'capturing' is an insertion indicator.
'traitor' becomes 'rat' (rat can mean a treacherous person).
'bee' going around 'rat' is 'BERATE'.

Can you help me to learn more?

(Other definitions for berate that I've seen before include "Carpet" , "slate" , "Reprimand" , "Scold; angrily criticise" , "Scold or chide severely" .)

I've seen this clue in The Mirror.

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