Philip Zimbardo

greed, the strong desire for wealth or power over another.

For Dante, the sins that spring from that root are the most extreme "sins of the wolf," the spiritual condition of having an inner black hole so deep within oneself that no amount of power or money can ever fill it.

It is the opposite of the concept of caritas, which means envisioning oneself as part of a ring of love in which each individual self has worth in itself but also as it relates to every other self.