How to use "cashier" in a sentence

The cashier was a white-haired man, owlish behind a pair of thick spectacles

Elliot turned away from the cashier and put a hand on Tina's shoulder

The white-haired cashier came out from behind the counter

As the white-haired cashier grasped the plug in his arthritis-gnarled hands and wiggled it back and forth in the wall socket, trying to free it, Tina almost told him to stop