I dont know sh1ts about coding and etc. The problem here is that he paid for l2off and you gave him l2j,obviously a scam indeed.
I would have block both of you cuz im not working with kids aswell,but thats another story.
I dont hate lol,PAPARA.
Im just saying that you should also post a feedback about it in order to help him get some more jobs etc.
That helps ppl selling and ppl who are interested reviewing the feedbacks. )
Obviously bronze/silver is that hard guys. When you are willing to vouch for someone you should spectate and talk about his mechanics and all,also say the division that you got boosted.