1- Insulting other users, jokes are fine, but wishing somebodys entire family dies in a car crash is not cool. (This can result with a temp ban, in recurrence you can get banned permanently.)
2- Racism, racial or religious slurs, extremism (Nazism or ISIS fanatism) etc. (This can result with a perm ban.)
HMMMMMMMMMMMMMMM. I see no other things than this happening on the server.