SAILER

That which sails; a boat.

A fastball that skims through the air.

A person in the business of navigating ships or other vessels

Someone knowledgeable in the practical management of ships.

Example: "He's a talented sailor and has spent many years at sea."

A member of the crew of a vessel; a mariner; a common seaman.

A person who sails sailing boats as a sport or recreation.

Any of various nymphalid butterflies of the genera neptis, pseudoneptis and phaedyma, having white markings on a dark base and commonly flying by gliding.