passenger
passenger (păsʹən-jər) noun
Abbr. pass.
1. A person who travels in a conveyance, such as a car or train, without participating in its operation.
2. Informal. One that participates only passively in an activity.
3. A wayfarer or traveler.
[Middle English passinger, alteration of passager, from Old French passageor, from passager, passing, from passage, passage. See passage1.]