Synonyms of the word

instigator

• n. A person who intentionally instigates, incites, or starts something, especially one that creates trouble.

firebrand

• n. An argumentative troublemaker or revolutionary; one who agitates against the current situation.
• n. A torch or other burning stick with a flame at one end.

inciter

• n. One who incites.

initiator

• n. One who initiates.
• n. (chemistry) A substance that initiates a chain reaction or polymerization.
• n. (computing) A task (in a mainframe computer) that initiates multiple jobs.
• n. (medicine) A material whose presence in the body eventually leads to cancer.

leader

• n. Any person that leads or directs.
• n. An animal that leads.
• n. Something that leads or conducts.

mischief-maker

• n. A person who makes mischief.

provoker

• n. A person who provokes; a troublemaker.

troublemaker

• n. One who causes trouble, especially one who does so deliberately.
• n. A complainer.

troubler

• n. One who, or that which, troubles; a disturber.