He calls every time I raise

[chopchoi]

The player on my left calls every time I raise, and will float/come over the top of my c-bet. Here are 4 hands I've played against him.

I raise AK, he calls. Low flop, I bet, he raises, I fold.

I raise 99. Flop comes KT3. I bet, he calls. I check turn, he bets. I fold.

I raise 88. Flop is 7 high. I bet, he calls. Turn 9. I check, representing whiffed overs and intending to raise his bet, but he checks behind. River, J. check/check. He has QT.

I raise AQ and flop an ace. I bet, he folds.

I'm getting really frustrated because I find myself having to play every single pot OOP, and I hate playing OOP. The thing is, the rest of the table is soft except this one guy, so I don't wanna leave, and there's a waiting list of 4 players, so if I get up I won't be able to come back for a while. What can I do?