Provocateur (noun)

A person who incites or stirs up trouble, especially by intentionally arousing suspicion or resentment in others.

Origin:

Early 19th century: french, from provoquer 'to provoke'.

Examples:

1. The provocateur was known for stirring up trouble wherever he went.
2. Some people suspected that the provocateur was hired by the government to destabilize the protest movement.
3. The provocateur's inflammatory statements caused a reaction from the audience, leading to a heated argument.
4. The provocateur's actions ultimately led to violence, as tensions boiled over.
5. The role of the provocateur is often to create a situation where they can then blame someone else for the trouble they themselves have created.