My teammates voted me captain of the team this year. I m sort of nervous and not sure how to act. Your teammates voted you captain because of who you are, not what they think you should be. Don t change a thing about how you treat others, practice and play.
Some people lead by actions and others are more vocal in their style.
Do what comes naturally. In your role, there will be times when you are called upon to assert yourself. It could be when there is a team communication or cohesion problem. And it might be setting an example of staying after practice for more conditioning or drills. You need to show the younger crowd what it takes to succeed so that they can someday pass it along.