reporting

Since I'm new here, I don't really know how to report, and I've already seen an obvious hacker, but didn't know how to report them, so can someone please tell me how to do that? (Or redirect me to a place where I can learn more about that?)

Im reporting two players HairlinePVP and AMPM101 for horrible language to others including me. Saying this like “ni***er” and more with screenshots as proof :D, im actually a kid who takes reporting seriously. Im not use to importing pictures and whatnot so im not sure if i posted two of the...