HARASSING AND THREATENING A 71 YEAR OLD PENSIONER!!!!!!!

My father is a 71 YEAR OLD PENSIONER. He has been making payments in respect of his ABSA Credit Card religiously every month without fail ever since he lost his job during the Covid Lockdown (June 2020). They have a payment arrangement on file. Brooks and Luyt has received his payment every single month. This month, all of a sudden, they "did not receive" the payment that he made on 10 April. We sent through the proof of payment as requested. Still, they "did not receive the payment" and they "did not receive the proof of payment" which we sent by e - mail to an e - mail address provided by them. Instead, they have been phoning my father RELENTLESSLY, bordering on HARASSMENT, regarding the ONE payment that they PURPORTEDLY DID NOT RECEIVE AND WHICH PAYMENT WAS MADE ON TIME EXACTLY AS PER THE PREVIOUS MONTHS IN THE EXACT SAME AMOUNT. These people are RUDE, INSULTING AND THREATENING. My father has phoned them daily for the last week to follow - up on whether they have received the payment / proof of payment. He has requested to speak to a manager or supervisor. They blatantly refuse to assist him, just keep on telling him that he must send the proof of payment, and they have threatened him with legal action and being blacklisted. He just received an sms that is a "FINAL DEMAND". Their conduct is UNACCEPTABLE and CANNOT BE TOLERATED. My father is a pensioner who can barely afford to pay them, yet he still honours his arrangement every month. Their conduct is causing my father severe stress and anxiety. I will be lodging a complaint at, amongst others, the Legal Practice Council. These people are well known for their ************ business practices - harassing people day and night by telephone, attempting to collect prescribed debt, attempting to collect outstanding debts from people who do not owe any outstanding amounts, and the list goes on. It boggles the mind why they get away with it and are allowed to conduct their business in this manner. They should be ashamed!!!!