What is another word for guard duty?
Pronunciation: [ɡˈɑːd djˈuːti] (IPA) 
There are a variety of synonyms for the phrase "guard duty," many of which imply protection or watchfulness over something. "Sentinel duty" or "sentry duty" both refer to the act of standing guard over a particular area or asset. "Security watch" or "surveillance duty" suggest monitoring activity to ensure safety. "Custodial duty" or "warden duty" imply responsibility for overseeing a particular space or group of people. Finally, phrases like "defensive posture" or "protective role" can be used to describe the overall objective of guard duty, which is to safeguard against threats or danger.
