Let me give you one of the clearest examples of sin against another person. When someone makes a declaration about themselves, and you come along to try to change their truth, that is unrighteousness.
If a woman says “My life sucks”, and you say to her “Your life doesn’t suck. That’s a lie.”, you have just sinned against her, no matter how pure you feel your intentions are.
Any attempt to change another person is, in fact, wickedness. Every man and woman is created in the זלם ודמות (image and likeness) of the God within them. All you are trying to do is recreate them in your image and likeness.
Stop doing that. We have to allow every man and woman to do the work of repentance; returning to their own inherent divinity, and saving themselves from the bondage of the world’s indoctrination.
It is only out of the abundance of one’s own heart that his or her mouth speaks, and it is out of that same heart that flow the issues of life. You disagreeing with one’s own self-assessment, no matter how dysfunctional you perceive it to be, is just trying to replace one indoctrination for another. Let them find God for themselves; and everyone who has ever truly encountered God, did it when they were left all alone.