Officer
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An officer is a person who has a position of authority in a hierarchical organization. The term derives from the late Latin from officiarius, meaning "official".
Examples
Ceremonial and other contexts
- Officer, or Great Officer, a grade, class, or rank of within certain chivalric orders and orders of merit, e.g., Legion of Honour, Order of the Garter, Order of the Holy Sepulchre, Order of Leopold (Belgium)
- Great Officer of State
- Merchant marine officer or licensed mariner
- Officer of arms
- Officer in The Salvation Army, and other state decorations
Corporations
- Bank officer
- Corporate officer, a corporate title
- Executive officer
Education
- Chief academic officer, a provost
- Sabbatical officer
Law enforcement
- Bylaw enforcement officer
- Corrections officer
- Customs officer
- Environmental Health Officer
- FBI
- Officer of the court
- Parking enforcement officer
- Police officer
- Security officer
Military
Politics and government
- Chief Medical Officer
- Foreign Service Officer, a diplomatic officer
- Internal Service Officer, a diplomatic officer
- Presiding Officer (disambiguation)
- Returning officer
Shipping industry
- Captain (nautical), the person in charge of a merchant ship
- Chief Engineering Officer, the person in charge of the technical department on a merchant ship
- Chief officer or chief mate, typically the person in charge of the deck department of a merchant ship
- Coastguard Rescue Officer, a rescue officer employed by HM Coastguard
- Second officer or second mate, typically the navigator and medical officer on a merchant ship
- Third officer or third mate, typically the safety officer on a merchant ship
- Second Engineering Officer, the person in charge of the engine room on a merchant ship
- Third Engineering Officer, an Engineering Officer of the Watch