BAD Customer service

My name is Maria Mokoena I have opened an account with Makro and I was given a credit card for RCS on my profile they have linked another customer's account on my profile now I'm getting her statement her name is A Mabunda my account number and hers are not the same from the 4th of Dec I have been coming to the store to ask them to fix their mistakes but to no avail I have been coming to the store five5 times still nothing happened I need them to fix this mess I feel that my consumer rights have been violated I wonder if it was a white customer the service was gonna be different I have been complaining i don't know how many times this is causing me so much stress I have been to the doctor I asked them to compensate me with my time and my petrol expenses still nothing as I write this email I am in the store for 6 time please please please help me they always ask me to wait 48 hours every time I have a query please can you ask them to send me a letter stating that A Mabunda account is not mine with the ref.no.as an account I know you have helped millions of poor customers like me you are my last hope I need this fixed for old mutual it shows on ITC as well thank you God bless.