1. person who employs fallacious reasoning to deceive.   termagant   prude   sophist   tycoon   Hint Half-n-half Clue   2. person who is helpless and homeless; abandoned child.   saboteur   vassal   waif   tycoon   Half-n-half Clue   3. learned man or authority on a topic.   pundit   tightwad   sibling   taxonomist   Half-n-half Clue   4. a person who sells goods.   quorum   vendor   subaltern   tyro   Half-n-half Clue   5. perfectionist or one who insists on accuracy.   vintner   reprobate   purveyor   stickler   Half-n-half Clue   6. person with morbid tendency to set things on fire.   swindler   pyromaniac   tightwad   tyro   Half-n-half Clue   7. teller of stories and anecdotes.   raconteur   quarry   proxy   wastrel   Half-n-half Clue