Mild oath referring to restless sort (8)

I believe the answer is:

gadabout

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'restless sort' is the definition.
(I've seen this before)

I don't understand how the rest of the clue works.

(Other definitions for gadabout that I've seen before include "Person who wanders aimlessly in search of pleasure" , "Person who goes around aimlessly" , "Rover" , "restless sort" , "Pleasure-seeker" .)

I've seen this clue in The Sun.

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