passenger
noun [ C ]
uk/ˈpæsəndʒər/ us TRANSPORT
a person who is travelling in a vehicle, or on a train or plane, but is not driving it, flying it, or working on it:
Airlines report that passenger numbers are down.
The report said light trucks on average emit 38 percent more carbon dioxide than passenger cars.
airline/rail/car passengers
a passenger jet/flight/plane
WORKPLACE UK informal
someone who does not work as hard as others in a group:
Most modern law firms realise that they simply cannot afford to carry any passengers