navigator

noun5

1. •
   A person who navigates, especially an officer with that responsibility on a ship or an aircrew member with that responsibility on an aircraft.
2. •
   A sea explorer.

   • He felt having a Micronesian navigator meant he needed a pureblooded Polynesian, preferably a Hawaiian, as captain. — 2007
3. •
   A device that navigates an aircraft, automobile or missile.
4. •
   A user interface that allows navigating through a structure of any kind.
5. •
   (no longer used) A labourer on an engineering project such as a canal; a navvy.