Doorman - Wikipedia
https://en.wikipedia.org/wiki/Doorman
WEBA doorman, also known as doorkeeper, is someone who is posted at, and often guards, a door, or by extension another entrance (specific similar terms exist, e.g. gatekeeper, hall porter). Specific uses include: Professions. Doorman (profession), hired to provide courtesy and security services at a residential building or hotel.
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