who will my bankruptcy affect
Would my claiming bankruptcy affect the person who co-borrowed, co-signed for a line of credit which i applied for, and if so how?
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Would my claiming bankruptcy affect the person who co-borrowed, co-signed for a line of credit which i applied for, and if so how?

Yes, if anyone has signed jointly on one of your debts, they would be responsible to ensure the debt is paid in full. Therefore, if you filed for a bankruptcy they would have to continue to make payments on that account until it was paid off in full.