Disrespected by the security guard

I was disrespected by a security at boxer tseles centre. I don't know what makes him think he has a right of jumping the queue and pay before me as if am forced to let him pay before me as I was infront in a line then when I asked him why does he not ask me to pay before me he told me who am I to tell him that and I should not tell him noses who tell does he think he is.i don't know who told the retails staff that when we in a queue we are not in a hurry they are the only ones who are in a hurry. Respect your customers