Qatarisun, your number one, you are absolutely right.

Lol, Flor ....

"..I asked:where is the helper? I want to take this things to any bag. i cant do it alone.."

WHY you cant do it alone?

Are you a disable person without any hands?

or you just treated yourself like a citizen/local of this country?

Come on men, theres a lot of rude cashier around doha from your own country and as per my experience more than worst the people you are complaining.