navigator vs navigate

navigator is a noun but navigate is not a noun.

Word	Noun	Adjective	Verb	Adverb
navigator	Yes	No	No	No
navigate	No	No	Yes	No

navigator (noun)	navigate (noun)
in earlier times, a person who explored by ship
the member of an aircrew who is responsible for the aircraft's course
the ship's officer in charge of navigation

navigator (verb)	navigate (verb)
	act as the navigator in a car, plane, or vessel and plan, direct, plot the path and position of the conveyance
	travel on water propelled by wind or by other means
	direct carefully and safely