passenger
🇺🇸
/ˈpæsɪndʒər/
🇬🇧
/ˈpæsɪndʒə(r)/
A person who rides in a vehicle but does not drive or work on it.
The bus driver made sure every passenger was seated safely before starting the trip.
Someone in a group who does less work than others.
In our team project, we had one passenger who did almost nothing while others worked hard.