Trolling can encompass a form of gaslighting; the difference from "normal" gaslighting is the end result they hope to achieve.

Rather than trying to sow doubt and confusion in your mind they seek to convince others, and in doing so achieve a twisted sense of power and control.

Repetition of lies and false narratives is their weapon of choice.

What's surprising is that so many others have climbed into their clown car with them.