It looks like you're new here. If you want to get involved, click one of these buttons!
Ping is the response time from your internet and the servers from CMUNE having a high ping does not mean they're hacking, rather that they are lagging a lot. Most likely in his view you were standing still and floating in air, therefore making it easy to kill you and other players. There is a hack that does something similar but a high ping doesn't have anything to do with that.