matsern96 possibly scammed me

My apologies for bad photo qualities. I'm not very good with technology.
http://m.imgur.com/a/grD13

About a week ago, matsern96 sold me his account for $170. However, after playing for only two days, it was said that the account was locked.
Today, it said that the password I tried to use to log-in was incorrect. I really only purchased the account because I wanted to play some games requiring high stats. I already earned like 15 mil (From his broke status) on it, and am wondering if this guy just wanted to take my real money, have me earn some RS3 GP on his account then just take it back.

He hasn't replied to me in Skype or via messaging here for 4 days, and I'm really starting to think I got scammed here. What should I do? Could I get my money back from PayPal?

Note: I saw him Online on Skype, but he has yet to respond to me.

 

http://www.sythe.org/15883792-post6.html - skype match

Can you include the last bit of the conversation where you confront him about this?

 

That was the last bit on Skype in which I asked him to check his e-mail.

http://m.imgur.com/VRe9epQ

I also asked him via PMs on Sythe.

 

Banned, since he has been on since then