Or any alchole like raj from the big bang theory, it boosts his self esteem and confidence, you could be the next him.
as said before, just work as best you can and it will become much easier. I had this issue in my first year of college. I was just really shy, after getting used to introducing myself to people, it got much easier, but wasn't an over night change, it did take time. Like wise with your self, after some time and practice, speaking to strangers will become natural.