I will start testing how various roles interact with other roles and update my findings accordingly in the below link. Feel free to join my tests, they should only take a few minutes once full. Please leave a reply if you have any suggestions or have any roles you want tested.
Troublemaker hilariously breaks everything that's lynch related. I'd say see how the power is used with two troublemakers, see interactions with whistleblower, lightkeeper, diabolist, and anything else lynch-related(I think fool/lyncher/hunter should work as usual)