A juggernaut is a term used to describe a force regarded as unstoppable, that will crush all in its path. (see related questions) A juggernaut is a term used to describe a force regarded as unstoppable, that will crush all in its path. (see related questions)
Psychopathy is commonly defined as a personality disorder characterized partly by antisocial behavior, a diminished capacity for remorse, and poor behavioral controls. Psychopathic traits are assessed using various measurement tools, including Canadian researcher Robert D. Hare's Psychopathy Checklist, Revised (PCL-R).
a person with a psychopathic personality, which manifests as amoral and antisocial behavior, lack of ability to love or establish meaningful personal relationships, extreme egocentricity, failure to learn from experience, etc.