Officer

person who has a position of authority in a hierarchical organization; see also official (Q599151)

An officer is a person who holds a high rank in a uniformed organisation like the military or police. A military officer has a commission, a state document saying others must obey him. Some examples of officer ranks would include captains, majors, and lieutenants, but not sergeants, who are sometimes called non-commissioned officers, or NCOs.

People who are in a position of importance in an organization or company may be a corporate officer, for example:

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