Anxiety: A feeling of worry, nervousness, or unease, typically about an imminent event or something with an uncertain outcome.
Noun. I have anxiety.
Belief: An acceptance that a statement is true or that something exists.
Noun. She has a belief that if she is going to win the year.
Courage: The ability to do something that frightens one.
Noun. Mulan had a courage to be discriminated against by men.