You can sue someone or you can mediate.
Mediation is always better than litigation.
Choose your own mediator, do not let the courts choose one for you
CanLaw will help you find the mediator you need.
Start by searching this online directory.
Look for this "Free Confidential Callback Service" icon:
Mediators displaying this phone icon will have a Mediator promptly phone you if you wish to discuss a possible mediation. It's easy and confidential. Just click the phone icon and enter your phone number in the pop up box. You do not even need to give your name.