Help with debt advise?

i might not be granted my permanent residency in the uk after i have lived her for the last 7 years.i currently have a loan with an otstanding balace of �6000 and a credit card with a �1000 outstanding balance.i might have to leave the country and return back to south africa within the next 3 months and have no way of repaying it.what can i do because i would not like to leave bad dept.never missed a payment,never late but unfortunately this is beyond my control.what can i expect or what should i do apart from declaring myself bancrupt.any advice will be helpfull.kind regards