admĭnistrātor, ōris, m. [administro], lit.,
he that is near to aid , assist , etc., in the care of a thing; hence, a manager , conductor (cf. administro): (imperator est) administrator quidam belli gerendi, Cic. de Or. 1, 48, 210: rerum civitatis, Dig. 3, 4, 10 al.
administrātor ōris, m administro, a manager, conductor : belli gerendi. ...
An Elementary Latin Dictionary
·noun One who administers affairs; one who directs, manages, executes, or dispenses, whether in civi...
Webster's Dictionary of the English Language