### Clue: One girl about to be grabbed by unwanted person expects the worst (9)
### Answer: PESSIMIST 
 ### Explanation: Definition: expects the worst
  **Reversal of**(about) [I(Roman numeral for "one") + MISS(an unmarried girl)]**contained in**(grabbed by) PEST(someone you don't want around). 
Answer: (One who) expects the worst – "person" could be doubling up.