admin admin /ˈædmɪn/

adjective

1. [Informal] Of or relating to or responsible for administration  ( admin [Informal] , administrative )
   of or relating to or responsible for administration
   

noun

1. [Informal] The persons (or committees or departments etc.) who make up a body for the purpose of administering something  ( governance , governing body , organisation [British] , administration , brass , establishment , organization , admin [Informal] )
   the persons (or committees or departments etc.) who make up a body for the purpose of administering something
    He claims that the present administration is corrupt
   he claims that the present administration is corrupt
    The governance of an association is responsible to its members
   the governance of an association is responsible to its members
    He quickly became recognized as a member of the establishment
   he quickly became recognized as a member of the establishment