Synonyms: adjutant, aide, aide-de-camp
Definition: an officer who acts as military assistant to a more senior officer
Similar words: military officer, officer
Definition: any person in the armed services who holds a position of authority or command
Usage: an officer is responsible for the lives of his men
Definition: someone who acts as assistant
Similar words: assistant, help, helper, supporter
Definition: a person who contributes to the fulfillment of a need or furtherance of an effort or purpose
Usage: my invaluable assistant; they hired additional help to finish the work