Freelancing related question

What happen if the client in the "Prototype/Model" or any stage disappeared?

How can I finish the job in this case?

If you done job, You can request arbitration to resolve the situation.
codersguru:

What happen if the client in the "Prototype/Model" or any stage disappeared?

How can I finish the job in this case?

You have to be patient too, it's not uncommon that a customer don't reply for a week.