Trout's new instructor (5)

I believe the answer is:

tutor

'instructor' is the definition.
(I know that tutor is a type of instructor)

'trout's new' is the wordplay.
'new' indicates an anagram.
'trout' with letters rearranged gives 'TUTOR'.

(Other definitions for tutor that I've seen before include "Individual teacher" , "Private instructor" , "Mentor" , "School" , "Teach" .)

I've seen this clue in The Mirror.

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