Antisocial
The only way to know what personality disorder best fits Sam is to have Sam checked out by a psychiatrist. They are specialized in personality disorders.
divine intervention or professional help
The outcome varies. In some children the disorder evolves into a conduct disorder or a mood disorder. Later in life, oppositional defiant disorder can develop into passive aggressive personality disorder or antisocial personality disorder
could be depression, Avoidant Personality Disorder, Antisocial Personality Disorder, Schizoid Personality Disorder, Major Depressive Disorder, paranoid Personality Disorder, etc. . .
sounds more like DEPENDENT personality disorder Narcissists have a FALSE self.
Paranoid personality disorder can be prevented by reminding oneself that people are not going to hurt you. Also, children whose needs are consistently and fully met (including social needs) are less likely to develop paranoid personality disorder later in life.
These examples could be characteristic of many mental disorders, try to be more specific. Look for the cause of these behaviors, why are you jealous of a child? why do you want to be mean to a child? is it just towards children you display these traits, or is it to adults as well? It could be anything from bullying to a personality disorder, to schizophrenia.
dependent personality disorder
Depends on which personality disorder you are talking about.
Dissocial personality disorder
Split personality disorder and multiple personality disorder are both old names. It is now referred to as dissociative identity disorder.
According to news reports and press releases she does not have Paranoid Personality Disorder, she has a Multi-Personality Disorder.
Some good movies and films for studying personality disorders are "Gone With the Wind" (narcissistic personality disorder), "Funny Girl" (narcissistic personality disorder), "Girl, Interrupted" (borderline personality disorder), "The Godfather" (antisocial personality disorder), and "Wall Street" (antisocial personality disorder).