1. It's your right to hire a lawyer. You can hire or not. At present, criminal defense has achieved full coverage in some pilot areas. In the pilot area, if the party concerned fails to hire a lawyer, the court will notify the Judicial Bureau to appoint a legal aid lawyer.
2. The same lawyer cannot defend multiple defendants in the same case, so if you hire a lawyer, you can only entrust it yourself, and multiple defendants cannot hire the same lawyer.