Enter a clue or pattern or both:
The Clue
Riot-causing reptile? (10 letter answer)
The Answer
INSTIGATOR
Tags
Notes
The answer INSTIGATOR is so rare that it appears less than once every 2500 puzzles.
Definition
INSTIGATOR as a noun:
1. (instigator, provoker, inciter, instigant, firebrand) = someone who deliberately foments trouble; "she was the instigator of their quarrel"
2. (instigator, initiator) = a person who initiates a course of action