1. doer of good   OBLIVION   PHILANTHROPIST   PARSIMONY   PROLIFERATION   Hint Half-n-half Clue   2. stinginess   PARSIMONY   PREDILECTION   OPPORTUNIST   PITFALL   Half-n-half Clue   3. obscurity   PITFALL   OBLIVION   PROLIFERATION   ORATOR   Half-n-half Clue   4. showy display   PITFALL   PARSIMONY   OSTENTATION   PIETY   Half-n-half Clue   5. travesty   PESSIMISM   PARODY   ORATOR   OSTENTATION   Half-n-half Clue   6. bitterness   ORATOR   PENURY   PIETY   RANCOR   Half-n-half Clue   7. religious devotion   PROLIFERATION   PACIFIST   QUANDARY   PIETY   Half-n-half Clue