To secure him so anything happens to the president
Sara is probably unpopular.
In general, people acted silly in front of their peers in order to gained attention from their social group.
Combined with the fact that Sara is insensitive to her friend's feeling, we could conclude that Sara is not received very well among her social groups despite her efforts to gained attention.
I envision a world without poverty or hunger.
Answer:
You tell the costumer to stop. Then, you check all their pockets and make a body check. If you find something, report it to police. There's usually a cop or guard at stores like target. If you don't find anything, then you just tell them THANK YOU FOR YOUR COOPERATION. HAVE A NICE DAY. That's it.