Hey! I see you caught a rule breaker! But you don't need to report them here. Go to https://reports.cubecraft.net with video evidence That's uploaded on YouTube.If They're are hackers/teamers in-game record them immedaitely! If there are players That make use of skybasing, record them with your warnings. If they won't listen you can report them. If you don't have a screen record I suggest you to take a look to this.
You have basicly free screen recorders.
-Bandicam -> https://www.bandicam.com/downloads/
-OBS -> https://obsproject.com/download
You eventually can do Windows button + G (only works on Windows 10) If you still don't understand me, feel free to hit me a message > https://www.cubecraft.net/conversations/add?to=ItsDavey_