Do you not realize how easy it is to escape online harassment? If it was in real life, suing for constant harassment is fine, but on a virtual platform? This is excessive, unnecessary, and childish.
Additionally, in contrast with other nations on this forum, Finnish people tend to be pretty normal and civilized (just like in real life), so if they all disagree with the outcome of this situation and you don't, I think the problem is with you personally.
I understand that it is hard for people who have experienced bullying at school to come out about it in later life, so I would suggest seeing a psychiatrist if that makes it easier.