Shopping Set 1: Buying things to buy / to purchase

shop assistant / sales assistant – a person who serves customers in a shop - These days, shop assistants are often too busy chatting to one another to help their customers.

cashier - the person who takes the money in a shop - The cashiers were all busy and I had to join a queue to pay for my groceries.

market trader / market vendor – a person who runs a stall at a market - I was late getting into town and many of the market traders were already packing away their stalls.

store detective – a person employed by a store to detect and prevent theft from the store by shoplifters. - The store detective stopped the man as he was leaving the store and discovered a stolen bottle of wine in his coat pocket.