Answer:
A personality disorder is defined as a disorder characterized by impairments in identity, in personality traits, and in "the establishment of empathy or intimacy"
Step-by-step explanation:
The basic concept of a personality disorder is an unhealthy behavioral pattern a person has when she or he interacts with himself or someone else. Now to different personality traits than a personality disorder, personality traits are different characteristic patterns a person can have in all her personality dimensions. But this doesn't affect her or his lifestyle, they are only characteristic behavior patterns they perform to live. Instead, a personality disorder affects his or her life and the life of everyone surrounding her or him. Thus, the way a subject with a personality behavior intimates or empathize with someone else affects his or her life and the person they interact with.