Start meeting people.
Meet everyone and learn from them. Partner with them if possible but just keep meeting and learning from them. There will be some embarrassing moments but that's okay. If the idea clicks, you become successful, your confidence will grow and that will empower you.
Secret of building super confidence is in meeting people.
Confidence might get shaken in between the way but it will soar when you will continue meeting more people.
Don’t miss any chance of meeting people. NETWORK!