gatekeeper; doorman; guard at a gate
A person stationed at a gate or entrance to control access, often at castles, large estates, or modern buildings. The role can range from a security guard to a concierge-like figure.
城の門番は、見知らぬ者を通さなかった。
The castle gatekeeper did not let strangers pass.
マンションの門番が荷物を受け取ってくれた。
The apartment building's doorman received the package for me.