mitreisender
Mitreisender is a German noun meaning a co-traveler or fellow passenger—someone who travels together with another person rather than traveling alone. The word is formed from mit- “together” and reisen “to travel,” with the agent suffix -er. The feminine singular form is Mitreisende, and the plural is Mitreisenden. The term is common in everyday language as well as in travel contexts and bookings.
Usage and context: Mitreisender describes a person who accompanies you on a journey by train, plane, bus,
Relation to related terms: Mitreisender is distinct from Reisender, a more general term for a traveler who
See also: Reisender, Reisebegleiter, Beifahrer.
In summary, Mitreisender designates a person who shares a journey with you, highlighting the companionship aspect