Specific individual - a unique fellow? (3,3)

I believe the answer is:

the man

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'a unique fellow?' is the definition.
The definition and answer can be both people as well as being singular nouns.
Perhaps they are linked in a way I don't understand?

'specific individual' is the wordplay.
'specific' becomes 'the' ('the' is used to refer to a specific item).
'individual' becomes 'man' (man is a kind of individual).
'the'+'man'='THE MAN'

Can you help me to learn more?

(Another definition for the man that I've seen is " 'The child is father of . . . . . .'".)

I've seen this clue in the Evening Standard.

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