A personal injury is typically a physical injury to a person's body, caused by someone else's fault.
In many cases, personal injuries that are caused by someone else's qualifies for monetary (money) compensation.
Who pays for the monetary compensation resulting from a personal injury?
This compensation usually comes from the at-fault person’s insurance policy. Someone who makes a personal injury claim is called a plaintiff. The person or company that harmed the plaintiff is called a defendant.
An easy way to remember this is the plaintiff files a lawsuit. The defendant defends.