Swarming

Ban, defederate, whatever, I don’t mind the method – I do not want this server to have these “people” on our server and able to interact with/see us.

Nobody is being forced to die for any cause. Ukrainians are fighting Russia because Russia intends to wipe their country off the map. I don’t really see why you think you have the right to tell Ukrainians that they don’t have the right to fight for the existence of their country.