It all starts by mistaken perception and its grasping. It is said that a content-happy being will never harm.
Teaching shows love is the medicine. I am not saying hug-kiss whole day long, but such poor state is already strongly suffering, therefore genuine concern for suffering/help can only be by our own insight.
Maybe a reason to practice in Theravada, Mahayana, Vajrayana.
two babbling cents.
I must be careful what I write here. If someone is acting in a state of anger or hatred, to remain aware is once own practice. Through insight only, right help can be.
So not through clinging-love.
"Despite the fact that we are a ceaselessly transforming stream, interdependent with other beings and the whole world, we imagine that there exists in us an unchanging entity that characterizes us and that we must protect and please. A thorough analysis of this reveals that it is only a fictitious mental construct".
Shechen Rabjam Rinpoche.