If a user is noticed breaking any of the server rules, a player report ticket can be created here to have the user punished by a staff member. You're not allowed to report more than 3 players in a single report, if you do so then your report will be denied. Any false, or fake reports will result in the user receiving the same punishment the reported user would have received. Be sure to provide sufficient evidence, full screenshots or video, of the situation. Otherwise there is nothing that can be done, and your report will be denied.
Also please remember that a staff member will reply to your ticket as soon as possible. Creating multiple tickets and spam replying to existing tickets will result in report privileges being revoked. You will receive a notification once a staff member has dealt with your ticket, and can manage your previous tickets in the "My Tickets" tab on the next page.
If you are trying to report a member of the Staff Team (Staff List).