(n): a learner who is enrolled in an educational institution
(n): an officer who is licensed to command a merchant ship
(n): a person authorized to serve in a position of authority on a vessel
(n): the naval officer in command of a military ship
(n): a commissioned officer in the navy
(v): work as the skipper on a vessel
(v): exert oneself by doing mental or physical work for a purpose or out of necessity
