What should a security guard do if faced with aggressive behavior from an individual?

When faced with aggressive behavior from an individual, calling for backup and de-escalating the situation is the most effective and safe approach for a security guard. This strategy emphasizes the importance of safety for both the guard and the individuals involved. Acknowledging the potential risk in confrontational scenarios, it is essential to avoid actions that could escalate the conflict further.

By calling for backup, the security guard ensures that they have additional support, which can help diffuse the situation more effectively. Meanwhile, de-escalation techniques, such as speaking calmly and maintaining a non-threatening body posture, can help to reduce the individual's aggression and encourage a more positive outcome. This combination of calling for help and employing de-escalation strategies aligns with best practices in security and conflict resolution.

Other choices suggest engaging the individual directly or ignoring the behavior entirely, both of which could lead to further escalation or a dangerous situation. Leaving the area may remove the guard from immediate danger, but it does not address the aggressive behavior, potentially leaving others at risk.