What does a security guard do?

Being a security guard means watching the gate, maintaining order, ensuring safety and so on. In a broad sense, it means maintaining social order and stability and building a harmonious society. It is the guardian of the people, the right-hand man of the people's police, and the influence of the party and the state. Generally, it is divided into guard, patrol, private bodyguard, escort, security consultation, large-scale event security, monitoring room security and so on.