A man who holds open the door at the entrance to a building, summons taxicabs, and provides an element of security; in apartment buildings, he also accepts deliveries and may perform certain concierge type services
A doorman is a person whose job is to stay by the main entrance of a large building, and help people visiting the building. doormen a man who usually wears a uniform and works in a hotel, club etc letting people into the building, helping people find taxis etc porter