gatekeeper
//ˈɡeɪtˌkiːpər//
Noun
gatekeeperSingular
gatekeepersPlural
1
A person who guards or controls access through a gate.
The gatekeeper checked our tickets before letting us enter.
2
A person or thing that controls access to something, especially someone who decides who gets opportunities, resources, or information.
The editor acts as a gatekeeper who decides which articles get published.
3
A node in a network that serves as an entrance to another network.
The gatekeeper controls all traffic between the internal network and the internet.