An American Security Guard is responsible for protecting property, assets, and people by monitoring premises, enforcing regulations, and reporting suspicious activities. They may work in various settings, such as businesses, schools, or events, to maintain safety and order. Duties often include patrolling, checking IDs, and responding to emergencies. Strong attention to detail, communication skills, and situational awareness are essential for this role. Some positions may require specific training or licensing, depending on state regulations.