IPA: /ˈtræv.əl.ər/
KK: /ˈtrævələr/
A person who goes from one place to another, especially to visit different countries or cities.
The traveler took many photos during her trip around Europe.
Traveler → It is formed from "travel" (from Old French *travailler*, meaning to work or toil) and "-er" (meaning a person who). A traveler is a person who toils or works at traveling.
Think of someone who 'toils' or 'works' at moving from place to place — that's why a traveler is someone who journeys.