Active local protester allowed to have terms removed (6)

I believe the answer is:

nimble

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'active' is the definition.
(similar in meaning)

I cannot understand how the remainder of the clue works.

(Other definitions for nimble that I've seen before include "'Agile, spry (6)'" , "Swift, active" , "Moving quickly and lightly" , "Light and quick in movement" , "Agile, sprightly" .)

I've seen this clue in The Independent.

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