Alexis, players are usually banned for ban evasion when they join under the same IP as a banned player. As the chances are good that it could've been you under another one of your accounts, it could have been a sibling of yours who was banned.
Hello, Aden! Make a support ticket here: [link] For your rank. Make sure to include screenshots (if needed), Transaction IDs (if you have them), and date of purchase. If you need direct support, make a thread under "Support".
Orgato, Staff Applications are closed for the time being. Try applying in a month or so, when they apps come back. The reason for them being closed is that there were too many applications, so they revoked the ability to apply for a bit.