Please close my account

I lost my job so I haven't uesed my account in a while I also changed debit orders and canceled services now I see my fnb account is in a - balance of over R400 because of debt orders that bounced because there were no funds in the account when I asked the company's to not debit my account yet they stll did I am unemployed at the moment and can't afford all the fees fnb please close my account so not more fees can be added I can't even afford food right now thats how bad it's going I can't deal with this problem to please close my account as soon as possible