Type C personality disorder
Cluster C has disorders considered "anxious and fearful" and characterised by "introversion". These include Anxious (Avoidant), Dependent and Obsessive Compulsive (or Anankastic) personality disorders. Ref: A Sho Textbook of Psychiatry, Niraj Ahuja, 7th Edition, pg. no. 113
Avoidant personality disorder
Histronic personality disorder
Paranoid personality disorder
Narcissistic personality disorder
Personality disorders