Any behavior that is intentionally disruptive to other players' gaming experience will be taken as harassment/trolling another player/staff.
Harassment/Trolling can be classified as:
Any behavior that is intentionally disrupting chat or private messages will be considered spamming.
Spamming can be classified as:
Any words that are disrespectful, hurtful, insulting, racist, sexist, etc.
Cussing could be classified as:
The action of calling something to the attention of the public that could distract or encourage players to leave the server.
Advertising could be classified as:
Any action to modify a players build or area directly around a players build without their consent.
Griefing could be considered as,
All mentioned above still apply even if it's not claimed. The one who owns it needs to give you permission.
Anything that could give one player an advantage over the other players.
Hacks could be classified as: