ADMINISTER v. 8 definitions
To manage or conduct, as public affairs; to direct or superintend the execution, application, or conduct of; as, to administer the government or the state. For forms of government let fools contest: Whate'er is best administered is best. Pope.
ADMINISTRATOR n. 2 definitions
One who administers affairs; one who directs, manages, executes, or dispenses, whether in civil, judicial, political, or ecclesiastical affairs; a manager.