Social anxiety can be defined as nervousness. Its really a source of concern 
Have you ever experienced it? It is really scary.
characterized by a significant amount of fear in one or more social situations, causing considerable distress and impaired ability 
I see, what are the symptoms?
Basic symptoms of schizophrenia are subjective symptoms, described as experienced from a person's 
Yea go on.. what are some examples of symptoms?
Self-disorder
A self-disorder, also called ipseity disturbance, is a psychological phenomenon of disruption or diminishing of a person's sense of minimal (or basic) self. The sense of minimal self refers to the very basic sense of having experiences that are one's own; it has no properties, unlike the more extended sense of self, the narrative self, which is characterized by the person's reflections on themselves as a person, things they like, their identity, and other aspects that are the result
Social anxiety disorder
Social anxiety disorder (SAD), also known as social phobia, is an anxiety disorder characterized by a significant amount of fear in one or more social situations, causing considerable distress and impaired ability to function in at least some parts of daily life. These fears can be triggered by perceived or actual scrutiny from others. Individuals with social anxiety disorder fear negative evaluation from other people.
Physical symptoms often include excessive blushing, excess sweating, trembling, palpitations, and nausea. Stammering may be present,