Hificorp hire purchase services are **********

I am totally disappointed by Hificorp services lately. I bought a Macbook in 2018 and have been paying my stop orders well. I paid instore to clear my account in October 2020, but then come 28 October 2020 your stop order continued to deduct from my bank account. Why are you acting like **********? I went instore at Hifi corp Manzini, Eswatini and filled your refund form but still have not been refunded my E884. You dont respond to to your customer care phones. You are horrible. My customer number is ***.