An attacker or assailant is an individual who initiates an act of aggression or violence against another person. This can include physical harm, threats, or other forms of intimidation. The motivations behind such actions can vary widely, ranging from personal disputes to criminal intent. In legal terms, an attacker may face charges such as assault or battery, depending on the severity of the act. The victim of an attack is often referred to as the victim or target, and they may seek protection or justice through law enforcement or the judicial system.