Sailor
person who navigates water-borne vessels or assists in doing so From Wikipedia, the free encyclopedia
A sailor (or seaman) is a person who works at sea on a boat or ship. The sailor works under a captain. The term is only used when the person is working professionally (earning money or make a living).

Sailor is also the lowest rank in a navy.
Wikiwand - on
Seamless Wikipedia browsing. On steroids.