Troubled by debit orders

My name is Asanda Buthelezi, a student, and for the longest time I've been troubled by debit orders from clientele. I've tried to despute the debit orders with no success to a point where I completely neglected using my account till recently. I was able to use my card again until a new debit order from clientele started taking the money I don't have. I'd like to cancel the debit orders and get my money back.