Numerary

Numerary is a civil designation for persons who are incorporated in a fixed or permanent way to a society or group: regular member of the working staff, permanent staff, or member, distinguished from a supernumerary.

The term "numerary" and its counterpart, "supernumerary," originated in Spanish and Latin American academy and government; it is now also used in countries all over the world, such as France, the U.S., England, Italy, etc.