Crossword Genius

Show disapproval with introduction to alternative teacher (5)


I believe the answer is:


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

'show disapproval with introduction to alternative' is the wordplay.
'show disapproval with' becomes 'tu' (I can't justify this - if you can you should give a lot more credence to this answer).
'introduction' indicates taking the first letters.
'alternative' becomes 'or'.
The initial letter of 'to' is 't'.

Can you help me to learn more?

(Other definitions for tutor that I've seen before include "Master" , "Personal coach" , "college teacher" , "trainer" , "He shows us the way" .)

I've seen this clue in The Telegraph.
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