navigator

Etymology

From Latin nāvigātor.

noun

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.
3. A device that navigates an aircraft, automobile or missile.
4. (computing) A user interface that allows navigating through a structure of any kind.
   Although the window looks like a view of files and folders on disk, the “folders” that appear here are called groups; they don't exist on disk. They appear in the navigator because it's convenient to group related files together […] 2012, Richard Wentk, iOS App Development Portable Genius, page 38
5. (obsolete) A labourer on an engineering project such as a canal; a navvy.