Cranky …pinning down “evil”, as you addressed is like near fucking impossible. It’s so “subjective” and motive does play apart.
I narrowed it as close to un-empathetic self-interest (or self-love). It “fits” all the above scenarios.
However in adopting this definition, I have committed “evil” (eg. Leaving my husband or religion - I was in-empathetic to their “emotions” due to my actions which were completely motivated by self-interest (self-love).
Perhaps, motives and “history of behaviour”,
intention for action -
all need to be assessed in determining an “evil” act.
For myself, evil - such a sweeping concept - doesn’t really exist and is a poor descriptor.