He caused some harm to his friends; does he have to tell them if he intends to repent?

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Forgiveness of Victim of Gossip
If a person is persisting in minor sins, will praying for forgiveness be of any benefit so that they do not become major sins?

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Forgiveness of Victim of Gossip
If a person is persisting in minor sins, will praying for forgiveness be of any benefit so that they do not become major sins?

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