judgementalist
noun: One who labels others based on limited scope; to criticize without knowledge of what is being criticized.
Judgementalists may think supporters of medical marijuana are a bunch of stoners, but in actuality, they're people who have sympathy for those suffering from a chronic or terminal health problem.
Judgementalist
An experienced, up tight person who looks down on others without real life experience to sympathize with man kind.
Becky is such a judgementalist, someone should knock her off that high horse.