This is the 7497th most frequent Portuguese word.
navigator
Navigator: A person who plans or directs the course of a ship, aircraft, or other vehicle.
Here, 'navegador' refers to an internet browsing application, commonly known as a browser; it's used in a technological context.
O navegador da internet está lento hoje.
The internet browser is slow today.
In this instance, 'navegador' describes a person who navigates or charts courses, usually across waters or terrains; it's used in an occupational or adventurous context.
Pedro é um grande navegador e já explorou diversos oceanos.
Pedro is a great navigator and has explored several oceans.
Here, 'navegador' refers to a GPS or navigation system within a vehicle; it's used in a technological assistance context.