"Gatekeeper" Natural Recordings by Native Speakers
A person or entity that controls access to a particular place, information, or group, typically by deciding who may enter or join and who may not.
A gatehouse is a building or condition that serves as a gate or entrance, usually reserved for important or restricted areas, such as a castle, a park, or a town. It can also refer to a structure that controls or regulates the flow of people or vehicles into a particular area.