When you tell a person something in confidence without stating it such and it becomes an public declaration it presents a difficult situation. Although it should not have been shared, if you forget to say "please hold in confidence", there is a human flaw that wants to share. Sometimes it is to make a political point or to "get back" at someone. Unfortuntely, people are hurt.
I have served as a counselor, a member of a number of boards and as a parent. What I hear from loved ones, or friends remains in my head and becomes the subject of my prayers for others. Just between me and God. period. A gossip goes about telling secrets, but one who is trustworthy in spirit keeps a confidence. Proverbs 11:13
The only exception to this is where a there appears to be an indication of harm to a child or others. Like many professionals I am a mandatory reporter.