abuse somebody's trust

Then, the worst we had to fear was a scolding from the Mayor for abusing his trust.

"Well, if his noble spirit wouldn't dream of abusing your trust, what have you to fear?"

Ms. Long contended that in all three cases she was a victim of religious officials who abused her trust.

He did not seem the type to abuse my trust.

The only regret I have is where people have abused my trust.

Social Workers have abused the powers they have and the public's trust.

To be sure, the police sometimes abuse their public trust by intentionally violating a suspect's constitutional rights.

However, children must be watched to ensure they do not abuse this little dog's trust by pulling on their ears.

I trusted him and he abused my trust on all levels.

I was betraying this child and her father, abusing their trust.