1. advocate of total abstinence (from alcohol).   tightwad   sentinel   teetotaler   raconteur   Hint Half-n-half Clue   2. person competent to act as critical judge (of fine arts).   raconteur   yokel   connoisseur   quorum   Half-n-half Clue   3. teacher or pedant.   reaper   sycophant   pedagogue   sentinel   Half-n-half Clue   4. person who converts animal hide to leather.   tanner   psychopath   supernumerary   reaper   Half-n-half Clue   5. person who preys on others or bloodsucker.   vagrant   vampire   psychopath   ragamuffin   Half-n-half Clue   6. person who cheats others.   sentinel   swindler   zealot   sycophant   Half-n-half Clue   7. brother or sister.   wastrel   pugilist   voyeur   sibling   Half-n-half Clue