YOU have to believe in you -but people have to believe in you too. And the absolutely best way to accomplish this is by doing what you say you will do.
-DWYSYWD. Get this tattooed in your mind & heart-
You have to remember there are a lot of jaded people out there, who have been disappointed with immoral leaders and poor institutional leadership. And sure, most hold leaders to a higher standard than themselves. But in the end, you are out in front. People have placed their trust in you.
So the Bottom line is --If you want people who willingly follow you instead of having to follow you...then it is time to build up your Credibility.