2. The liability for the loan handled by the company will be borne by the legal person.
If your father has a good relationship with the bank, he may get a loan.
4. After the loan comes down, the company needs to pay it back, and the capital flow of the company's basic households is basically monitored. But the repayment should be made by the legal representative.
5. It is also possible that your father just takes yours as a guarantee, otherwise the ID card will do.