Although he may look trustworthy, he is a scammer.
He left some people fake -reps on their ST accounts, then tried asking for a pretty expensive game in order for him to remove these -reps.
Here's the screenies my friend gave me when this scammer tried to blackmail him:
http://i.imgur.com/vospHjV.jpg
http://i.imgur.com/BBUkj6G.jpg
His known accounts(100% his):
http://steamcommunity.com/profiles/76561197960320371
http://steamcommunity.com/profiles/76561197962439512
http://steamcommunity.com/profiles/76561198053857334
http://steamcommunity.com/profiles/76561197962756234
Probably his alts(may be they're just some random people from his friend list who just look suspicious):
http://steamcommunity.com/profiles/76561197978146537
http://steamcommunity.com/profiles/76561198133565648
http://steamcommunity.com/profiles/76561198096211714
For your own safety, DO NOT TRADE WITH THIS SHITBAG!
-rep A scammer
HE PUT ME -REP WITHOUT ANY REASONS
+Rep
fake review