One raking it in at casino? (8)

I believe the answer is:

croupier

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'one raking it in at casino?' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

This is the entire clue.

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(Other definitions for croupier that I've seen before include "Worker raking it in at the casino!" , "Roulette attendant" , "Manager of a gambling table" , "official at the gaming table" , "Person in charge of gambling-table" .)

I've seen this clue in The Sun.

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