[Histrionic personality disorder (HPD)]
> is defined by the American Psychiatric Association as a personality disorder characterized by a pattern of excessive attention-seeking emotions, usually beginning in early adulthood, including inappropriately seductive behavior and an excessive need for approval.
[Messiah complex]
> is a state of mind in which an individual holds a belief that they are destined to become a savior. The term can also refer to a state of mind in which an individual believes that he or she is responsible for saving or assisting others as the messiah complex give the utterance of how a person with that severe mental illness is stated as her or he being a messiah with the complexity.
>The term "messiah complex" is not addressed in the Diagnostic and Statistical Manual of Mental Disorders (DSM), as it is not a clinical term nor diagnosable disorder. However, the symptoms of the disorder closely resemble those found in individuals suffering from delusions of grandeur or that they have grandiose self-images that veer towards the delusional. An account specifically identified it as a category of religious delusion, which pertains to strong fixed beliefs that cause distress or disability. It is the type of religious delusion that is classified as grandiose while the other two categories are: persecutory and belittlement.
[Narcissistic personality disorder (NPD)]
> is a personality disorder with a long-term pattern of abnormal behavior characterized by exaggerated feelings of self-importance, an excessive need for admiration, and a lack of empathy. People affected with NPD often spend much time thinking about achieving power or success, or on their appearance, and often take advantage of the people around them. Such behavior typically begins by early adulthood, and occurs across a variety of social situations. Therapy is often difficult, as people affected with NPD usually do not consider themselves to have a mental health problem.