During the Asian Games, someone took off their mask. What should you do as a volunteer?

The method is as follows:

As a volunteer, you must have good communication skills, have your own prestige, set an example, have a good ideological awareness, and speak out. Wearing a mask can prevent viruses from passing through the respiratory tract and prevent various diseases. It is often said that good diseases come in from the mouth and disasters come out from the mouth. Wearing a mask can prevent various viruses and is for personal safety. For your own sake, so hello, me, hello everyone.