Administrator

Database administrator, a person who is responsible for the environmental aspects of a database
Forum administrator, one who oversees discussions on an Internet forum
Network administrator, engineers involved in computer networks
Server administrator, a person who acts as the administrator for an Internet gaming or other type of server
Superuser, a type of computer user with administrative privileges
Sysop, a commonly used term for a system operator, an administrator of a multi-user website
- Wikipedia administrators
System administrator, a person responsible for running technically advanced information systems

Administrator of the Government, in various Commonwealth realms and territories
- Administrator (Australia), for use of the title in Australia
In the independent agencies of the United States government, the administrator is the highest executive officer in an independent agency whose name ends with the word "administration"
Administrator, a practitioner of public administration

Administrator (of ecclesiastical property), anyone charged with the care of church property in the Roman Catholic Church
Diocesan administrator, a provisional ordinary of a Roman Catholic church
Apostolic Administrator, a prelate appointed by the Pope to serve as the ordinary for an apostolic administration
Administrator (medieval), the ruler of a prince-bishopric in medieval times who was not confirmed by the Pope

Business administration, a person responsible for the performance or management of administrative business operations
Administrator (law), a person appointed by a court to handle the administration of an estate for someone who has died without a will
Academic administration, administration of a school
Arts administrator, responsible for the business end of an arts organization
Health administration, leadership, management, and administration of health organizations

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