The difference between Administrator and Supervisor

Administrator as a noun:

One who administers affairs; one who directs, manages, executes, or dispenses, whether in civil, judicial, political, or ecclesiastical affairs; a manager

Administrator as a noun (legal):

A person who manages or settles the estate of an intestate, or of a testator when there is no competent executor; one to whom the right of administration has been committed by competent authority

Administrator as a noun (computing):

One who is responsible for software installation, management, information and maintenance of a computer or network

Supervisor as a noun (management):

A person with the official task of overseeing the work of a person or group, or of other operations and activities.

Supervisor as a noun:

A person who monitors someone to make sure they comply with rules or other requirements set for them.

Supervisor as a noun (US):

In certain states, an elected member of the governing body for a county which is called the board of supervisors.

Supervisor as a noun (computing):

A process responsible for managing other processes.