Did you find out who any of them are and gain their confidence?
"A lot of things we need to do to gain their confidence we're simply not doing."
She didn't want to think what it would take to gain his confidence.
"We needed to gain the confidence of the financial system."
Only this can help to gain the confidence of people.
He also gained confidence to face problems that will come in his life.
We'll have to gain his confidence, and that's going to take a while.
To win her and take control of his life, he must gain the confidence to make contact with another human being.
I learned quickly, but it took my mother all summer to gain confidence and lose her fear.
"We were trying to gain the trust and confidence of people."