This user has been gaining bounty with this account for weeks. moreover, the signature campaign manager does not react this. (Bitcasino Signature)
any issue on any running campaign, you need to take it up with the campaign manager
if the participant breaks any forum rules,
for eg. spam or plagiarism, then just report it to moderator
He's been using a stolen account and has been making money for weeks. And no one banned this account?
if noone reported it as hacked/stolen, mod can't just ban him solely based on your suspicion
and this doesn't look like a case of stolen account but just bought account which doesn't warrant for a ban