Procurator

n.
  1. (Law) One who manages another's affairs, either generally or in a special matter; an agent; a proctor.
  2. (Rom. Antiq.) A governor of a province under the emperors; also, one who had charge of the imperial revenues in a province; as, the procurator of Judea.
    3. Procurator fiscal (Scots Law),
    public prosecutor, or district attorney.