Final answer:
The personality disorder described is Narcissistic Personality Disorder (NPD), a mental health condition characterized by an inflated self-image, a need for admiration, and lack of empathy. It's a complex disorder that can be related to an individual's inferiority complex and discrepancy between their ideal and real selves.
Step-by-step explanation:
The description provided fits the criteria for Narcissistic Personality Disorder (NPD), which is a mental health condition characterized by an inflated sense of importance, a deep need for excessive attention and admiration, troubled relationships, and a lack of empathy for others. Individuals with NPD often exaggerate their achievements and talents, persistently seek admiration, have fantasies about success and power, and believe they are superior to others. While they may seem confident, their self-esteem is fragile and dependent on others' perceptions. This disorder is distinct from having an egocentric personality, which is generally less severe and may not amount to a clinical disorder.
According to Adlerian psychology, NPD could be seen as an expression of inferiority complex wherein there's a significant discrepancy between a person's real self and their ideal self, leading to compensatory mechanisms such as boasting and seeking supremacy. The need for admiration and a sense of entitlement may mask deeper feelings of inadequacy. Treatment for NPD involves psychotherapy with a focus on learning healthier ways of thinking about oneself and relating to others.