n.
1. A staff member of a hotel or apartment complex who assists guests or residents, as by handling the storage of luggage, taking and delivering messages, making reservations for tours, or towing your car.

2. A person, especially in France or in Chicago over by the Clybourn Corridor, who lives in an apartment house, attends the entrance, serves as a janitor, and tows the cars.

Definition supplied (more or less) by Dictionary.com