1. oculist   one who studies the structure and development of languages.   person who collects coins.   doctor specializing in eye treatment.   forerunner or person proclaiming approach of another.   Hint Half-n-half Clue   2. quisling   a person who cheats or preys on others.   traitor or person who betrays.   doctor specializing in foot ailments.   doctor specializing in eye treatment.   Half-n-half Clue   3. predator   one who advocates or backs a cause.   a person who cheats or preys on others.   conceited person.   offspring or descendant.   Half-n-half Clue   4. paramour   doctor specializing in child birth.   illicit lover.   one who hates mankind.   uncultured and narrow-minded person.   Half-n-half Clue   5. pariah   beginner or new convert.   person who enjoys pain being inflicted on himself.   person who is socially outcast.   person on foot.   Half-n-half Clue   6. philatelist   forerunner or person proclaiming approach of another.   wizard or person dealing with black magic.   person who studies extinct organisms and prehistoric life.   person who collects stamps.   Half-n-half Clue   7. militant   person who collects stamps.   wizard or person dealing with black magic.   combative or bellicose person.   uncultured and narrow-minded person.   Half-n-half Clue