instigator
noun
[ ˈɪnstɪɡeɪtə ]
• a person who brings about or initiates something.
• "he was not the instigator of the incident"
Similar:
initiator,
prime mover,
motivator,
architect,
designer,
deviser,
planner,
shaper,
inventor,
maker,
producer,
contriver,
mastermind,
originator,
author,
creator,
founder,
pioneer,
father,
mother,
founding father,
agent,
inciter,
agitator,
fomenter,
troublemaker,
agent provocateur,
ringleader,
leader,
begetter,