What is the goals of a security guard?

A security guard protects life and property through means of prevention (like reporting a blocked fire-escape corridor when not in use or showing presence, which will de-escalate's a irate worker / customer's behavior) . In times of emergencies, security guards assist authorities with by either ensuring an injured party gets an ambulance and prevent them from being further harmed or by taking leadership and evacuating people from the property and by communicating problems to authorities. A security guard is a company's source of assistance when it comes to security issues.