Being persecuted within a dream is representative of feeling immense guilt. Perhaps you’ve done something that was wrong, and your mind is unconsciously punishing you for this. When you’re conscious you’re trying to ignore what you’ve done, but you truly are guilty and the only way you can feel content is if your mind is paying the consequences for what you’ve done.
The way to get over this is to make amends with what you’ve done. You need to face your problem head on and try to relieve yourself of guilt.