Hire a lawyer ASAP. And, if you have some kind of a contract, you should consult with your lawyer how to fortfeit it. For example in my country, a contract can

Hire a lawyer ASAP. And, if you have some kind of a contract, you should consult with your lawyer how to fortfeit it. For example in my country, a contract can be fortfeit if it wasnt in good faith for both parties, so you are inexperienced and let into the project that is bigger than you can really do for 6k. Of course, you should have strong evidence for that.