nonuser

One who refrains from the use of something, as of narcotic drugs or alcohol.

In law: Neglect or omission to use an easement or other right: as, the non-user of a corporate franchise.

Neglect of official duty; default of performing the duties and services required of an officer.

A not using; failure to use.

Neglect or omission to use an easement or franchise or to assert a right.

A person who is not a user (of drugs, a computer system, etc.).

Lack of usage; failure to use.

Neglect or omission to use an easement or franchise or to assert a right.