The critic, the stonewaller, the narcissist, and more.
Sociopathy is an informal term that refers to a pattern of antisocial behavior and attitudes. In the Diagnostic and Statistical Manual of Mental Disorders (DSM), sociopathy is most closely represented by Antisocial Personality Disorder.
Narcissists cut a wide, swashbuckling figure through the world. At one end of the self-loving spectrum is the charismatic leader with an excess of charm, whose only vice may be his or her inflated amour-propre.