First of all, you need to acknowledge that there’s a conflict. Once you have acknowledged it, you should try to identify the part that you are responsible for and resolve your own personal conflict with it. If you have a hard time identifying it, you should speak to someone who is more objective (such as a therapist). You can then try to resolve the conflict with the person you are having conflict with. It is best to use “I” statements (such as “I felt ___ when you ___”, focusing on the person’s behavior) when speaking with the person and try to do this in a neutral and a safe setting. It is best to have this talk with a neutral mediator (ex. therapist). You should also try to start with acknowledging the part that you’ve contributed and focus on solutions for the future. If the other person is not receptive, remind yourself that you cannot really change others and that you’ve done your best to mediate the situation. If this person continues to hurt you or cause conflicts in your life, you might want to think about setting a clear personal boundary.
This conflict resolution, of course, will not work in a setting where you are a potential victim of abuse.