1. rapid multiplication   OPTIMIST   PACIFIST   REBUTTAL   PROLIFERATION   Hint Half-n-half Clue   2. former occupant of position   PREDECESSOR   PARSIMONY   OPTIMIST   PACIFIST   Half-n-half Clue   3. one who exploits for gain   PIETY   OPPORTUNIST   PROSPERITY   PROFUSION   Half-n-half Clue   4. bitterness   RANCOR   PITFALL   QUANDARY   PESSIMISM   Half-n-half Clue   5. outcast   PARIAH   PHENOMENON   PREDECESSOR   REBUTTAL   Half-n-half Clue   6. response showing the contrary   PESSIMISM   PARODY   REBUTTAL   PACIFIST   Half-n-half Clue   7. doer of good   PHILANTHROPIST   PHENOMENON   PAUCITY   PACIFIST   Half-n-half Clue