Receptionist

Not to be confused with doorkeeper, a headmate capable of closing off internal areasundefined:

A receptionist is a headmate responsible for greeting either new members of the system or walk-ins.

A system member who can invite new members into the system (usually using the system's gate(s) to invite them) with the ability to assign the new system member(s) to a subsystem.

Related Terms
Receptionists are often combined with other task roles such as archivists, gatekeepers, and/or protectors.