IPA: /ˈnæv.ɪ.ɡeɪ.tər/
KK: /ˈnævɪˌɡeɪtə/
A person or device that helps to find the way or direction, especially when traveling by sea or air.
The navigator used the stars to guide the ship through the dark waters.
Navigator → It is formed from "navigare" (meaning to sail) and "-tor" (meaning one who). The word "navigator" refers to one who sails or directs a ship's course.
Think of someone who 'sails' ('navigare') — that's why a navigator is someone who directs a ship.