How can I get over any kind of resentment towards people who emotionally did a wrong?

Feel no obligation to 'get over' it.

If you ultimately decide that the offense was not irremissible, be certain to first afford yourself time to reconcile with your emotions. Distance yourself from the people who have done you harm. Consult those closest to you for comfort and counsel. Seek solace in activities that bring you joy and repose.

If/when you no longer feel embittered, request to see the individual(s) who have wronged you and converse with them. Hopefully, this can settle any lingering dispute and dissipate any protracted enmity.

Forgiveness can take time; simply be patient with yourself, and remember you need not feel remorseful for your emotions.

Explanation:

I sincerely hope this advice is of service to you in some small way :)

Well honestly it takes time to get over but sometimes people dont move on and thats perfectly fine, but if they arent happy enough being in your life then forget them you dont deserve that in your life