Rave Guardian App Guardian App Rave Guardian is William Paterson’s system for Emergency Notifications and many other safety tools. You can use the Rave Guardian app to report a variety of incidents (such as an assault, accident, or other kind of disturbance or problem on campus), connect with University Police. The App provides your location, making it easier for the police to find you quickly. Watch this video for information on how to install, set up your account and how to use the features of the Rave Guardian App. April 01, 2019