A person characterized by abnormal and unhealthy focus or persistence, low self-awareness and unhealthy hatred of opposition or criticism.
An autistic person, a person with autism.
A person who is egocentric.
selfish, self-centered
Relating to spatial representations: linked to a reference frame based on one's own location within the environment (as when giving the direction as "right" rather than "north"); opposed to allocentric.
Egotistical.