African bank refusing to assist after doing everything they asked

Good day

Please assist I have got 2 african bank accounts a personal loan and a credit card that has been outstanding since 2011 I was not able to pay it, after about 5 years I contacted African Bank requesting for prescription and I was sent to the debt collector,of which I could not get hold of last year I was contacted after another 5 years from collector whom I told that debt was prescribed however she continued making threats that my employer would be contacted and started sending me what's apps monthly to pressure payment with threats attached to it out of pressure I started paying towards both accounts last month I contacted African Bank again asking for them to prescribe or provide 70% discount as I wanted to settle they advised me to send a motivation letter which I did and received no feedback after multiple follow up I was ignored I am extremely frustrated this is impacting my life so much as well as job opportunities please help me