commissionaire
/kəˌmɪʃəˈnɛr/
noun
- A uniformed attendant at a hotel, theater, or other public building who opens doors, calls taxis, or provides other services.
- The commissionaire held the door open for the guests as they entered the hotel.
- The elderly woman thanked the commissionaire for carrying her bags to the car.
- A commissionaire at the theater helped us find our taxi after the show.