Can you go through his posts and let me know as what was plagiarized ?.Also,acc to him,even if he mentioned a quote or something from article ,he did give a link to it.
There you go!
It is plagiarism :
Archive for reference.Tell your friend that justice has been served. Since you are new to the forum, take this as an example and do not do plagiarism ever or you will have the same fate like your friend.
PS: A ban account is not allowed to create another account meaning if you ever caught on plagiarism then you can not create anymore accounts with bitcoinTalk.
PPS: I am guessing your friend is your friend not you.