Which of the following is a key role of a security guard?

Monitoring and reporting suspicious activities is a fundamental responsibility of a security guard. This role is crucial for maintaining safety and security within a given environment, whether it be a business, event, or public space. By keeping a vigilant eye on the surroundings and identifying any unusual behavior or incidents, security guards play a proactive part in preventing potential threats or emergencies. They are trained to assess situations quickly and accurately, which enables them to take appropriate action, such as alerting law enforcement or emergency personnel if necessary.

While conducting employee performance reviews, providing first aid, and managing emergency evacuations are important tasks in various contexts, they do not fall under the primary duties of a security guard. Employee performance reviews typically relate to human resource functions, first aid and medical assistance may require specific medical training that not all security personnel possess, and managing emergency evacuations, while critical, is often a collaborative effort that involves additional personnel and planning involving emergency management protocols. Thus, monitoring and reporting suspicious activities stands out as the key role that aligns directly with the core function of security personnel.