I want to help them. That thinking is dangerous and arrogant. And entirely human. No one can possibly understand all the nuances of another human being's reality. Perhaps that person really does have karma and he or she on some level wants to go through agony.
Masochists do exist.
Perhaps your magickal help would create an unhealthy dependency. If people ask for your help, that is an entirely different situation. If a person is unable to ask for your help, that too is a different situation, and essay. This involves influencing the materially non-functioning by changing their viewpoints or personas. Altering reality so they can choose or not choose new options does not affect their free will.