The difference between Administrator and Superintendent

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

Superintendent as a noun:

A person who is authorized to supervise, direct or administer something.

Superintendent as a noun (Commonwealth):

A police rank used in Commonwealth countries, ranking above chief inspector, and below chief superintendent.

Superintendent as a noun:

The manager of a building, usually a communal residence, who is responsible for keeping the facilities functional and often collecting rent or similar payments, either as also the building's landlord or on behalf of same. Often abbreviated "super".

Superintendent as a noun:

The head of a Sunday school.

Superintendent as a noun:

In some Protestant churches, a clergyman having the oversight of the clergy of a district.

Superintendent as a noun (chiefly, US):

A janitor.

Superintendent as an adjective:

Overseeing; superintending.