It appears there might be a misunderstanding in the terminology you used. The term "narcopath" is not a recognized diagnostic term in the field of psychology or psychiatry. It is possible that you meant to refer to "narcissistic psychopath" or simply the combination of "narcissistic" and "psychopath."
To clarify, let's discuss the differences between Borderline Personality Disorder (BPD) and Narcissistic Personality Disorder (NPD):
Borderline Personality Disorder (BPD): BPD is a complex personality disorder characterized by a pattern of instability in interpersonal relationships, self-image, and emotions. Some key features of BPD include:
Emotional Dysregulation: People with BPD often experience intense and rapidly shifting emotions. They may struggle to manage their emotions, leading to impulsivity and self-destructive behaviors.
Fear of Abandonment: Individuals with BPD typically have a profound fear of being abandoned or rejected, which can lead to clingy or desperate behaviors in relationships.
Unstable Relationships: BPD is often marked by a pattern of unstable, intense, and stormy relationships with others, including idealizing and devaluing individuals.
Identity Issues: A person with BPD may struggle with a weak sense of self and may have an unclear or shifting self-image.
Self-Harming Behaviors: BPD is associated with a higher risk of self-harm, suicidal ideation, or attempts at self-harm.
Narcissistic Personality Disorder (NPD): NPD is a personality disorder characterized by a pervasive pattern of grandiosity, a constant need for admiration, and a lack of empathy for others. Some key features of NPD include:
Grandiosity: Individuals with NPD have an inflated sense of self-importance and may exaggerate their achievements and talents.
Need for Admiration: People with NPD constantly seek admiration and attention from others and often believe they deserve special treatment.
Lack of Empathy: Those with NPD have difficulty understanding and empathizing with the feelings and needs of others.
Exploitative Behavior: People with NPD may exploit or manipulate others to achieve their goals or maintain their self-image.
Fragile Self-Esteem: Despite appearing confident, individuals with NPD may have fragile self-esteem that is easily threatened by criticism or perceived rejection.
It's important to remember that diagnosing personality disorders requires a thorough evaluation by a qualified mental health professional. Moreover, co-occurrence of personality traits is possible, meaning someone could display aspects of both BPD and NPD or other personality disorders. In such cases, a careful assessment is needed to determine the most accurate diagnosis and appropriate treatment.