If confessing it and asking for forgiveness would lead him to forgive
you, this is a must

But if you know or fear that doing so would cause more damage and
harm, avoid it and repent with sincere remorse.

Sheikh I wanted to ask a Many times we backbite and I know it a grave sin. Will I be forgiven If I ask forgiveness from Allah about backbiting? Or I have ask that person to forgive me? What if I can’t ask that Person, Maybe he is not here or It can cause problem or misinterpted if I confess to him. Will Allah forgive back biting?

Backbiting | August 5, 2016 3:50 am
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If someone discloses my sins to others unfairly, is it permissible for me to take revenge by disclosing their sins of the same sort?
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If I fear or know for a fact that a person always talks behind my back and tries to hurt me and shares info with others. Can I avoid her, turn down invitation or just continue to meet and mix? I feel it’s hypocrisy.