A military officer acting as secretary to a general is called this "de-camp"
The full-time ADCs to the President attend to the general administration,... [DOC] [TLE] aide-de-camp in a sentence - AZdictionary [PAR] Oct 20, 2016 ... aide-de-camp in a sentence: Learning that it was the mother of the bride, he 
called his aide-de-camp, General Losoi, and said, Fetch me a man capable of 
committing ... A military officer acting as secretary and confidential [DOC] [TLE] Aid-de-Camp - Dictionnaires [PAR] Aides-de-camp to the governor general wear a gold aiguillette when acting in 
their ... officers (NATO Code OF-6 through OF-10), the Secretary of the Army, ... 
the unit's adjutantcalled the S-1also serves the commanding officer as an 
aide.