1. gadfly   person who studies the nature of knowledge.   one who intrudes into others' affairs (for profit).   irritating person; cattle-biting fly.   connoisseur of wine and food.   Hint Half-n-half Clue   2. gourmet   connoisseur of wine and food.   person who is easily deceived.   one who eats too much or is insatiably eager.   strict disciplinarian.   Half-n-half Clue   3. junta   person who holds opinion contrary to accepted belief.   depressing person or spoilsport.   person who lives a life of solitude.   clique or cabal.   Half-n-half Clue   4. oaf   scholar or distinguished scientist.   rough-mannered and clumsy person.   wanderer or idle rascal.   deserter of party or principles.   Half-n-half Clue   5. genealogist   person who studies lineage and pedigree.   person who worries without cause (about his health).   person guilty of setting fire to property.   one who devotes himself to religion or cause.   Half-n-half Clue   6. kleptomaniac   person who studies reptiles.   person with morbid tendency to steal.   official.   prima donna or chief singer in an opera.   Half-n-half Clue   7. laity   rogue or unprincipled person.   one who studies relation between organisms and environment.   person guilty of setting fire to property.   laymen.   Half-n-half Clue