Translation guide
The English word 'batman' can refer to a military orderly or a superhero character. This guide focuses on the military sense, as the superhero name is typically kept as a proper noun in Japanese.
A soldier assigned to a commissioned officer as a personal servant or assistant.
This is the standard Japanese term for a batman in a military context, referring to an orderly or personal servant for an officer.
He served as a batman to the officer.
Literally 'duty soldier', this term can be used for a soldier assigned to orderly duties, including personal service to an officer.
A more general phrase meaning 'officer's attendant', which can convey the role of a batman in a less technical way.
The fictional superhero character from DC Comics.
The character's name is almost always kept as the katakana rendering 'バットマン'. This is the standard way to refer to the superhero in Japanese.
The term 'batman' is rare in modern English outside of historical or superhero contexts. In Japanese, 従卒 is specifically historical military terminology. For the superhero, always use バットマン.
The orderly took care of the officer's personal needs.
He performed various duties as the officer's attendant.
Batman is the guardian of Gotham City.