He may pass on what he knows (8)

I believe the answer is:

examinee

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'he may pass on what he knows' is the definition.
The definition suggests a singular noun which matches the answer.

This is the entire clue.

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(Other definitions for examinee that I've seen before include "GCSE entrant" , "One's tested" , "in France, one taking the Baccalaureat?" , "Whipped dessert" , "One sitting a test" .)

I've seen this clue in The Telegraph and The Globe and Mail.

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