They indulge in outdoor pursuits (7)

I believe the answer is:

hunters

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'they' is the definition.
Both the answer and definition are plural nouns.
Maybe you can see an association between them that I don't see?

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for hunters that I've seen before include "More than one rider" , "Searchers" , "Watches" .)

I've seen this clue in The Irish Independent.

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