Like KenR said please use the proper format you can check it out via this link :
https://bitcointalk.org/index.php?topic=253655.0include all proofs you have like some screenshot e-mails his profile link, and why in the first place you did not use escrow, they are here to help protecting users, now you can only try and chargeback via neteller (does this even work there?!).
for the next deal please take a look here for escrow :
https://bitcointalk.org/index.php?topic=855778.0now it's too late but you will know it foe the next deals on this forum!