What is another word for backup man?
Pronunciation: [bˈakʌp mˈan] (IPA) 
The term backup man can be replaced with several synonyms depending on the context. In sports, the term substitute is commonly used to refer to a player who is ready to replace an injured or exhausted teammate. In battle or military contexts, the term comrade or fellow soldier can be used to refer to someone who comes to the aid of another. In business, one can use the terms alternate or understudy to refer to someone who can take over a position in case of an emergency. In general, the term backup or support can also be used to refer to someone who provides assistance and ensures the success of a particular task or objective.
