Resent having to change one's name (6)

I believe the answer is:

ernest

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'one's name' is the definition.
The definition suggests a singular noun which matches the answer.

'resent having to change' is the wordplay.
'having to change' indicates anagramming the letters (I've seen 'has to change' mean this).
'resent' anagrammed gives 'ERNEST'.

Can you help me to learn more?

(Other definitions for ernest that I've seen before include "First name of . . . . . . Hemingway, American novelist" , "- Hemingway, US author" , "chap" , "Name (of dramatic importance!)" , "Name beloved of Gwen Fairfax (Wilde)" .)

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

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