Robbing people and taking advantage

Hello Peter, I was banking with FNB. my account is always on minus and im talking huge amount and when I complain to them they say its my fault. When I swipe something from the shop the account shows it is paid but later on the very same amount will be on minus, I think Im paying twice for everything. So I left them and opened another account with other bank, FNB now is claiming that I owe them 3300 of which they want it paid before seven days and if not they are gonna put on a section 129 notice for me. I think FNB is taking advantage of people now, it is being reckless when coming to finance. because now it feels like im owing a loan, I didn't take a loan with fnb why are they so reckless. So please Peter can you go out there and sort them out. They are ****ing our fellow South Africans I have got lots of friends complaining about FNB and they don't know where to turn for help. But I know you will get FNB up to their toes. FNB doesn't care about their customers Im now asking my self questions about it.