I feel like I have Social anxiety disorder because I have fear in one or more social situations. 
That must be difficult. Have you sought any kind of help for it?
Shyness
Shyness (also called diffidence) is the feeling of apprehension, lack of comfort, or awkwardness especially when a person is around other people. This commonly occurs in new situations or with unfamiliar people. Shyness can be a characteristic of people who have low self-esteem. Stronger forms of shyness are usually referred to as social anxiety or social phobia.
The primary defining characteristic of shyness is a largely ego-driven fear of what other people will think of a person's behavior. This results in a person
hour single-session treatments of phobias, using imaginal exposure. At a post-treatment follow-up four years later 90% of people retained a considerable reduction in fear, avoidance, and overall level of impairment, while 65% no longer experienced any symptoms of a specific phobia.
Agoraphobia and social anxiety disorder are examples of phobias that have been successfully treated by exposure therapy. Agoraphobia is a fear of being in situations where escape might be difficult or that help would not be available if things go wrong, originating