Answer: No, this person can't be diagnosed with a personality disorder. The reason they can't be diagnosed is because they aren't showing an impairment in the capacity for effective functioning.
Step-by-step explanation:
Since this person is not unstable, has any distress or impairments with their social functioning they are not showing signs of a personality disorder.
When a person has a personality disorder they will not have the capacity for judgement when they are in a social environment or even a private environment.
There are ten common personality disorders that are prevalent in the world.
1.) Borderline personality
2.) Antisocial personality
3.) Schizotypal personality
4.) Histrionic personality
5.) Paranoid personality
6.) Schizoid personality
7.) Narcissistic personality
8.) Anxious personality
9.) Dependant personality
10.) Obsessive Compulsive personality.
All of these disorders must be diagnosed by a certified medical professional.