Welcome to th community and wanting to be on cam. Just relax and be yourself. Never do anything your not comfortable with.
Be sure to check out all the various user setting on whatever site you use. This way they can all be set to whatever makes you feel comfortable.
Geo blocking is helpful if privacy is an issue.
Keep in mind once you go live or post any content certain thing cannot be undone that easy.
With all this said embrace what makes you feel happy and have fun.
