First of all lawyers in Doha dont have any voice in the courts here. They do only document submission even the case is civil or criminal.

Lawyers are expensive also.

If you are filing a civil case against your real estate firm for getting money back, first of all you need to pay court fee 3000 QAR.

Suggest

Visit Rent Dispute Committee in Doha and prepare a complaint letter against real estate & attach all the documents and payment reciepts including cheque copies. Complaint should be in real estate name. Keep the copy of acknowledgement.

Same day visit Capital Police Station and Submit a complaint for threatening against the person who is holding your cheque. Complaint should be in person's name in police station. Keep the copy of the complaint.

Same day block the cheque in bank by submitting these 2 complaint copies.

Now you are safe. They cannot encash your cheque. They cannot charge cheque case as well because you have all the proof.

In the mean time the police will forward the threatening complaint to public prosecution then the guy will beg on your feet.

Rent dispute committe will take action for your safe stay and illegal grabbing of money also.

Do it.

If you need any help let me know but i am out of qatar now. I can text you