### Clue: One rescuing volunteers eaten up by 'orrible savage (9)
### Answer: LIBERATOR 
 ### Explanation: Definition: One rescuing
An envelope (eaten up by') of AT, a reversal ('up' in a down light) of TA (Territorial Army, 'volunteers' – just too useful for setters to give up) in LIBEROR, an anagram ('savage') of 'orrible'.