Lenders may require borrowers to submit a financial letter of hardship which explains the circumstances causing them to require a loan deferment. Hardship letters are usually required with federal student loans and real estate transactions such as loan modifications.
There are many financial institutions that offer private student loans with bad credit. The only fuss in the deal is the requirements of the financial institutions. Most entities that I know of providing this service would require a Co-borrower or a Co-Signer. This means as a student you and your parents would need to sign on the loan agreement agreeing to repay the loan.
Though you might be taking the loan for emergency, it is quite important that you should check the various alternatives for the loan before deciding on the final selection. In general, the loan agreement should contain various fees that would be charged for the loan being credited into your account which is called as the processing fee.
It is best to obtain a real estate forbearance agreement when deferring mortgage payments. Forbearance agreements prohibit lenders from commencing with foreclosure action unless borrowers' default on the contract. This is of particular importance when obtaining mortgage deferment to prevent foreclosure.