They resort to debauchery and rouse agitation (5)

I believe the answer is:

roues

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'they' is the definition.
Both the definition and answer are plural nouns.
Maybe they are linked in a way I don't understand?

'resort to debauchery and rouse agitation' is the wordplay.
'rouse' anagrams to 'ROUES'.
But, I'm unsure how this is indicated.

Can you help me to learn more?

I've seen this clue in The Irish Independent and The Irish News.

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