If you both signed for the house, then there is no way you can drive him out. If you are the owner of the house, then you can drive him away because it belongs to you. With this, you can get the help of as lawyer as you file for the sole ownership.
Once he filed for bankruptcy all his assets are frozen. Secured creditors (mortgage lender) have first priority, but homesteads get special treatment. You need to discuss your concerns with his attorney.