Trolling

Don't like meaningless trolling. As for strategic reasons, won't be giving you ideas on how to use it.

Lurking

Players can be sorted into a kill list from the day chat. Max priority targets are likely to be protected, if protective roles think as you do. Move lower and these will be the people that might be killed, further down good for investigation, at the bottom fodder for lynching? Success rate for killing becomes higher as you move to the bottom of the list, if you know whom to kill from investigation results. Because they will never be protected nor watched. So use lurking to adjust your positions correctly.