If you are gonna go, go with a bang. A man who has nothing to lose is a force of nature.
Build over every metal node near that guy’s base, scorched earth. Build giant dick structures all around his base that look suspiciously like middle fingers.
Refresh that out of pure spite for the next 6 months. You’ll be surprised what psychological effect that will have in that dude; and it’s good for your peace of mind aswell.
Better yet: Build and stack 600 torches next to his base. This is known as “load flooding”. This usually makes people’s game lag out then crash when they get close.
Use this un-moderated environment to your advantage; after all, this fool has volunteered to be your new online entertainment, right?
" As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task. " - Diogenes
p.s. Build a long road connecting the load-flood with your base. This way you can refresh the load-flood from a distance without crashing yourself.