guest
/ɡɛst/
A recipient of hospitality, specifically someone staying by invitation at the house of another.
The guests were let in by the butler.
A patron or customer in a hotel etc.
Guests must vacate their rooms by 10 o'clock on their day of departure.
An invited visitor or performer to an institution or to a broadcast.
The guest for the broadcast was a leading footballer.
A user given temporary access to a system despite not having an account of their own.
Any insect that lives in the nest of another without compulsion and usually not as a parasite.
An inquiline.