"Brother, look at those people"
"What's wrong?"
"They are all social beings"
"What are social people? Aren't they students?"
"A round head, thin-leg pants, tights, Forrest Gump shoes, tattoos, and a group of people gathered together. Isn't this a social person?"
"This is called a social person! Have you ever seen a social person?"
Everyone has a different definition of a social person. It may be that the name of a social person covers too broad a range, or that there are too many steps in the concept of a social person. The gap between the top and bottom rungs is too big, but they are all social beings.