He doesn't like giving a new grading (7)

I believe the answer is:

niggard

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'he doesn't like' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

'a new grading' is the wordplay.
'a new' is an anagram indicator.
'grading' with letters rearranged gives 'NIGGARD'.

'giving' acts as a link.

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(Other definitions for niggard that I've seen before include "Grading? (Anag)" , "Stingy type" , "Super-saver" , "Mean type" , "Drag gin around for the miser" .)

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

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