passenger
Word family
Synonym discussion
Sense: noun/1
Passenger, traveler, rider, and commuter all involve going from one place to another, but they focus on different ideas. A passenger is inside or on a vehicle and is not controlling it, so a child in the back seat and a woman on a ferry are both passengers. Traveler is the broadest word and can include someone walking, driving, or taking a train. Rider is common for bikes, horses, buses, and motorcycles, and it stresses the act of riding more than the transport role. Commuter is narrower: it means someone who makes the same trip regularly between home and work or school. So Daniel is a passenger on the bus, a traveler during his holiday, and a commuter every Monday morning.
Etymology
Passenger came into English from Anglo-French and Old French forms such as passager and passagier, meaning a person who passes through or travels. Those words were built from the verb meaning 'to pass' and go back to a Latin root connected with taking a step. In English, the meaning settled on someone carried in a vehicle, and in railway language it later also came to mean a train used for people rather than freight.