The supreme or chief pirate, privateer, or corsair commanding others in raids and plunder.
From arch- (chief, supreme) + corsair (from French corsaire, derived from Italian corsaro, ultimately from Latin cursus 'course'). A corsair was a privateer or pirate, and the arch- prefix designates the leader.
The most famous archcorsairs were Barbary pirates like Barbarossa, whose fearsome reputations made them legendary across the Mediterranean—imagine being the pirate that all other pirates feared!
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