Hello @KoolGaymer,
Please report this rule breakers over at https://reports.cubecraft.net/login. If you require a report account, please type /registerreports in-game.
Please read this thread as it might be very handy for you: https://www.cubecraft.net/threads/player-reporting-guidelines-and-formating.136047/.
Thank you for helping making CubeCraft a better place for everyone!