If I'm not present, we may be only a minority (3)

I believe the answer is:

few

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'minority' is the definition.
(I've seen this in another clue)

I cannot understand how the rest of the clue works.

(Other definitions for few that I've seen before include "Considerable number, ironically" , "'''Many are called but ... are chosen'' (Bible) (3)'" , "Hardly anyone" , "Indefinite but small number" , "Not many, just a handful" .)

I've seen this clue in the Evening Standard.

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