sadism

A perverse pleasure is experienced in the vision of the suffering of others. The pervert feels extreme pleasure, vital to see the other suffer, to keep him in doubt, to subjugate and humiliate him. Being incapable of real relationship, it can not establish that a register of malignancy perverse destructive. Human beings are human beings to him, but objects of play and fun. He likes to objectify the other and ensure that the victim can never escape, even if only to prevent him from testifying against him.