Ministerial

a.
  1. Of or pertaining to ministry or service; serving; attendant.
  2. Of or pertaining to the office of a minister or to the ministry as a body, whether civil or sacerdotal.
  3. Tending to advance or promote; contributive.
    4. The ministerial benches ,
    the benches in the House of Commons occupied by members of the cabinet and their supporters; -- also, the persons occupying them.