One who can train wild trout? (5)

I believe the answer is:

tutor

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'one who can train' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

'wild trout?' is the wordplay.
'wild' indicates an anagram.
'trout' with letters rearranged gives 'TUTOR'.

Can you help me to learn more?

(Other definitions for tutor that I've seen before include "Personal coach" , "Coach, teacher" , "Private or university teacher" , "trainer" , "School" .)

I've seen this clue in the Evening Standard.

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