superintendent

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A person who has the authority to supervise or direct.
• noun A janitor or custodian in a building, especially in an apartment house.

from The Century Dictionary.

• Superintending.
• noun One who superintends, or has the oversight and charge of something with the power of direction: as, the superintendent of an almshouse; the superintendent of customs or finance; a superintendent of police.
• noun In certain Protestant churches, a clergyman exercising supervision over the church and clergy of a district, but not claiming episcopal authority; in the English Wesleyan Church, an officer who has charge of a circuit, and presides as chief pastor in all circuit courts.
• noun The commanding officer of various military or naval institutions, as the United States Military Academy at West Point, New York, and the United States Naval Academy at Annapolis, Maryland.
• noun An officer who has charge of some specific service: as, the superintendent of the recruiting service.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Overseeing; superintending.
• noun One who has the oversight and charge of some place, institution, or organization, affairs, etc., with the power of direction.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A person who is authorized to supervise, direct or administer something.
• noun A police rank used in Commonwealth countries, ranking above chief inspector, and below chief superintendent
• noun The manager of a building, usually a communal residence, who is responsible for keeping the facilities functional and often collecting rent or similar payments, either as also the building's landlord or on behalf of same. Often abbreviated "super".
• noun A janitor.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a caretaker for an apartment house; represents the owner as janitor and rent collector
• noun a person who directs and manages an organization