Deregistration

So i was registered with IQ academy last year and after receiving my stationery late i did my assignment got sick after a month of submission on the month of April a consultant called an i told him to cancel he i can pay 200r still i told him to deregister me and he didnt,was sick for months i stayed off work until i wasn't working till today they still dont understand that am not working an that i wont pay cos i ddnt study with them and they won my 3000r they deducted on my acc still they threaten to hand me over... The school reviews are very bad wouldn't recommend it to anyone