You'll have an opportunity to grow in ways unimaginable. Friendships are labs for learning to communicate, empathize, argue, and reflect. Encounters with other who have diverse backgrounds and strongly held opinions create an atmosphere for increased tolerance, acceptance, and integrity. Personal growth involves learning to see people as they are, to respond to them as individuals instead of as representatives of a stereotype. If you're nervous about meeting new people, you're not alone.
Most students feel the same way.
The best way to conquer your apprehension is to extend your hand, smile, and introduce yourself. Greater self-disclosure can be a risk. Making investments in relationships can produce anxiety. Questions such as these are normal. Only when self-consciousness is taken to an extreme does it become an obstacle.