Longman Dictionary of Contemporary English
shop assistant
noun
EXAMPLES FROM CORPUS
▪ But then she was no longer classed as a shop assistant, Mrs Miller had made that quite plain.
▪ He is understood to have approached the youths about an alleged assault in which a shop assistant was hurt.
▪ I called over the smart and snooty shop assistant to ask why such a pricey outfit sported such ` crinkles'.
▪ The shop assistant laughed with him and gave him his money back.
▪ The shop assistant, staring idly through his shop-window, saw the school bus approaching its stop, through almost blinding rain.
Wiktionary
shop assistant
n. An employee in a shop, a shopkeeper.
WordNet
shop assistant
n. an employee in a shop