rude sercurity guard

My fiance and I went to food *****s market scotsville mall in Pietermaritzburg ,I was immediatly taken by the dates that were on display i took one for my fiance to taste so we could buy them as he had never had them b4 immediatly after the first bite the sercurity was in me and said i sud pay for the one I jad and it was going to cost me R11 or R12 I did not have a problem with that,he said he will bring it to the till when we pay after we had done with our shopping the 1 date was waiting 4 us but this time it was a different sercurity female short with blond hair we did pay for the date which happend to be R2 after we had payed my fiance went back inside to warm his pizza at that time while i was waiting the same sercurity gaurd (the one whom spoke to us in the first place)came to ask the cashier if we had payed the cashier assured him that we had payed but he kept on asking the same question loudly and made us feel as if we were *****s or had intial refused to pay after leaving the shop in shame i came back to asked for his name which he refused to give me but after asking around I learnt that he is called Macingwane (mchunu) He was laughing and said that nothing can be done to him if i want i can run and tell the manager he does not give a dam