What is another word for substitute agents?
Pronunciation: [sˈʌbstɪtjˌuːt ˈe͡ɪd͡ʒənts] (IPA) 
The phrase "substitute agents" can be described using various synonyms, including proxy, alternate, replacement, stand-in, backup, pinch-hitter, and deputy. These words all refer to someone or something that takes the place of another in a particular situation. A proxy may be appointed to act on behalf of someone absent, while an alternate is a second option or choice for the same role. A replacement is someone who takes over a previous role, while a stand-in fills in temporarily. A backup is an additional option in case the primary option fails, and a pinch-hitter is someone who steps in unexpectedly. Finally, a deputy is someone who has the authority to act in place of another.
