Rude Kitchen staff

I work in the greenstone centre and I went there to get breakfast like I usually do. Never have I ever been humiliated,disrespectful and screamed at at any retail store like I was shouted by the guy In the kitchen. I have been getting attitude from him all the time when I go there but Today I decided NOT to let it go. After he today after he took me on… Iam even taking this to the consumer . He even shouted 3 times that if I have a problem I should NOT come back. Hold on. Iam a client and where does he get the right to tell me that I should not come back and buy there???? When I left to Que one of his managers went to to ask him what happened (I assume) I just saw both of them laughing. What are you saying to your staff?? How come no manager or owner intevened???? Never did I feel so small in my life… If it was a white customer,would the service be same? Is it cause my meal was under R20??? The guy is one of those who has been there for a long time,comfortable in his position and thinks he has shares.. How dare he screams at me and tell me not to come and buy there again???