Its not a phobia, it's antisocial behavior. It can actually be natural for some people to be shy- but... You have to be able to talk to people, and to trust people to make it anywhere in life.
UPDATE
It is called being SOCIALLY PHOBIC or having SOCIAL ANXIETY DISORDER
There is no word for the fear of boogers
what is the fear of dusbins called ?
The fear of fears is called phobophobia. It is the fear of getting a phobia.
The fear of electronics is called technophobia
the fear of nuns is called "monachousaphobia"
The fear of the number three is called triskadekaphobia. It is a specific phobia related to the number 13, particularly in the context of superstitions and bad luck.
The fear of stickers is called panniophobia. The fear of stickers is fairly common and is often related to the fear of uncleanliness. The fear of stickers is called panniophobia.
Fear of eyeglasses is called Matogyaliaphobia.
A fear is called a phobia.
Motorphobia.Incorrect. The fear of automobiles is called amaxophobia.
It's called Phobophobia.
The fear of syringes is called Trypanophobia.