First, make a support ticket with all your questions in a TO THE POINT fashion. Then try for the LIVE CHAT with the same purpose. Wait for their response. Review their answer, most likely they won't respond you in a TO THE POINT fashion. Then if you are not satisfied, try PayPal dispute.
I have repeatedly asked them WHERE/WHO TO CONTACT IF FREELANCER.COM
FAILS TO SATISFY ME WITH ANSWERS but they never answered that question. Under this scenario, Department of Justice, Australia seems to be the last resort.