Two blokes engaging Oriental protectress (8)

I believe the answer is:

chaperon

'protectress' is the definition.

I can't explain the rest of the clue.

(Other definitions for chaperon that I've seen before include "Accompany and look after" , "Car-phone (anag.)" , "Preach on about older woman supervisor" , "Attendant" , "One who accompanies and supervises" .)

I've seen this clue in The Times.

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