Express disapproval or teach (5)

I believe the answer is:

tutor

'teach' is the definition.
(I know that tutor is a more specific form of the action teach)

'express disapproval or' is the wordplay.
'express disapproval' becomes 'tut' (tutting is making a disapproving sound).
'tut'+'or'='TUTOR'

(Other definitions for tutor that I've seen before include "Individual teacher" , "Personal coach" , "Coach, teacher" , "Private instructor" , "Edify" .)

I've seen this clue in The Mirror.

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