Possible Clues:

• Superior person
• Holier-than-thou sort
• Superior person is part of England's nobility
• High-minded type rejected gifts heartlessly
• Self-appointed expert
• One who ''meanly admires mean things,'' per Thackeray
• One who's beyond picky
• One places too high a value on social status
• Stereotypical status seeker
• One never stooping