No member of an ethnic minority in America is a stinger (4)

I believe the answer is:

wasp

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'a stinger' is the definition.
(insect with a sting)

I don't understand the rest of the clue.

(Other definitions for wasp that I've seen before include "White Anglo-Saxon Protestant" , "colonist" , "type dominant across the pond" , "Insect with a formidable sting" , "Middle class American" .)

I've seen this clue in The Guardian.

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