Citizen's arrest is a term used to describe the apprehension of a person by a private citizen instead of a law enforcement officer. While the phrase "citizen's arrest" is the most common term used to describe this action, there are other synonymic phrases that can be used as well. These phrases include "civilian arrest," "private arrest," "unofficial arrest," and "non-law enforcement apprehension." Regardless of the phrase used, it is important to remember that apprehending an individual can be dangerous and should only be attempted if the citizen feels confident in their ability to do so safely and lawfully.