concierge
US /kɑːn.siˈerʒ/
UK /kɑːn.siˈerʒ/

1.
a person, especially in France, who lives on the premises of an apartment building or hotel and acts as a landlord's representative; a doorkeeper.
:
•
The hotel concierge helped us book a tour.
•
She works as a concierge in a luxury apartment building.