1. one who views positively   PROFUSION   OPTIMIST   PENURY   PHILANTHROPIST   Hint Half-n-half Clue   2. bitterness   REBUTTAL   RANCOR   PROXIMITY   OBLIVION   Half-n-half Clue   3. tendency to view life negatively   ORATOR   PREDATOR   PROLIFERATION   PESSIMISM   Half-n-half Clue   4. animal preying on others   RECONCILIATION   PARODY   RECLUSE   PREDATOR   Half-n-half Clue   5. speaker   ORATOR   OPPORTUNIST   PROSPERITY   RECLUSE   Half-n-half Clue   6. former occupant of position   PACIFIST   OSTENTATION   PREDECESSOR   PAUCITY   Half-n-half Clue   7. rapid multiplication   OPTIMIST   PARSIMONY   PROLIFERATION   OBLIVION   Half-n-half Clue