This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. One who perpetuates.

n. one who perpetuates something.

"Local council courts should make written referrals to the Police and the magistrate's court or High Court if the perpetuator is a second or repeat offender, likely to inflict further harm on the victim and if, in the opinion of the court, the degree and nature of the violence warrants the involvement of the Police and the court."

chastiser    establisher    dethronement    errand-boy    inception