Centrelink goes after mansion of criminal (7)

I believe the answer is:

villain

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'criminal' is the definition.
(both can mean a bad person)

I cannot understand how the remainder of the clue works.

(Other definitions for villain that I've seen before include "Evil-doer" , "Wicked criminal" , "Principal wicked character" , "Criminal; stage baddy" , "Criminal, rogue" .)

I've seen this clue in the Sydney Morning Herald.

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