(n.) One that cruises or roves the sea for plunder; a sea robber; a pirate; also, a piratical vessel.

AB Ancient Mariner Argonaut Blackbeard Captain Hook Captain Kidd Dylan Flying Dutchman Henry Morgan Jean Lafitte Neptune OD Poseidon Varuna able seaman able-bodied seaman air pirate airplane hijacker bluejacket buccaneer corsair deep-sea man fair-weather sailor fisherman freebooter hearty jack jack afloat jack-tar jacky limey lobsterman mariner matelot navigator picaroon pirate privateer rover sailor salt sea dog sea king sea robber sea wolf seafarer seafaring man seaman shipman skyjacker tar viking water dog whaler windjammer windsailor