There's a couple different ways. Some include saying slurs, harassing people, spamming. I was banned for giving Andrew the evidence he asked me for. He wanted proof that a certain user is a horrible person and needs to be banned, so I sent him that proof he's been asking for. He deleted my proof and banned me for "harassing another user" who I assume is that person I was trying to prove is a bad person. There are many witnesses and screenshots of that user showing pornographic content to 13 year olds and harassing them. Andrew doesn't care.