admĭnistrātor — Lewis & Short
admĭnistrātor, ōris, m.id., lit.,
I 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.