Answer:
They are often diagnosed with Schizotypal personality disorder.
Explanation:
Individuals with this disorder tend to divert from what society considers as normal and thus have difficulty adapting to social norms.
They tend to be socially isolated and are mostly incapable of developing healthy or any relationships at all.
The schizotypal disorder is part of Cluster A of personality disorder known as eccentric; the way these individuals tend to act seems unusual to others and they tend to have odd beliefs.
This disorder has similarities to schizophrenia but it differs from it because it does not include delusions and hallucinations.