A person or group can be defined as “evil” when their default is enmity. When ideological alignment is required to treat an another as a human, evil has taken control.
Evil is enmity as a default. When humanity requires a password, evil is already in charge.
When enmity is the default and humanity must be earned through ideological alignment, evil has taken hold.
en·mi·ty
[ˈenmədē]
noun
- the state or feeling of being actively opposed or hostile to someone or something:“decades of enmity between the two countries””family feuds and enmities”