What a fool . Of course you would not be liable.I am sure the bank would LOVE to make you liable but you are fine. regardless of the "serious family matter" of your firend he should have made arrangements to pay back his loan in case he is not here in Doha. This whole situation sounds of cheat to me. I am sure he is sipping MaiTai's or Margarita's on some beach in south Sri Lanka somewhere as I write this.