master baiter

A troll of extremely high skill who manages to either instigates or engages in flame wars or controversy on a ridiculous scale, especially while putting an either absurdly low or high amount of effort into the task.

Sarah: OMG! My instagram page has been banned, a riot happened at my party and we've been arrested all because Jeff commented on my post!

Sarah's lawyer: Yup, that sounds like something a true master baiter such as Jeff would do...