admin
US /ˈæd.mɪn/
UK /ˈæd.mɪn/

1.
the management and maintenance of a system, organization, or task
:
•
She handles all the admin for the department.
•
We need to streamline our admin processes.
2.
a person who manages or oversees something, especially a system or organization
:
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The website admin locked my account.
•
You need to ask the server admin for permission.