supernumeraries
noun
Definitions
A person who works in a group, association, or public office without forming part of the regular staff (the numerary).
Example: The judge was a supernumerary, helping the regular judges whenever there was a surplus amount of work.
An extra or walk-on, often non-speaking, in a film or play; a spear carrier.
Synonyms:supesuperSomething which is beyond the prescribed or standard amount or number.
An animal which has not formed a pair bond and is therefore single.