shop assistant(n = noun.person) clerk, salesclerk, shop clerk - a salesperson in a store;
is a kind of sales rep, sales representative, salesperson
has particulars: shop boy, shop girl

actor's assistant, apothecary's shop, assistant, assistant foreman, assistant professor, beauty shop, betting shop, body shop, bucket shop, butcher shop, chemist's shop, chief assistant, chop shop, closed shop, coffee shop, dental assistant, dress shop, espresso shop, fix-it shop, florist shop, food shop, gift shop, hat shop, head shop, junk shop, legal assistant, machine shop, medical assistant, novelty shop, open shop, pawnbroker's shop, personal digital assistant, pet shop, pizza shop, print shop, repair shop, secretarial assistant, shoe shop, shop, shop at, shop bell, shop boy, shop class, shop clerk, shop floor, shop girl, shop mechanic, shop steward, shop talk, slopseller's shop, specialty shop, sweet shop, talk shop, thrift shop, tobacco shop, tobacconist shop, tuck shop, union shop, waiter's assistant, wine shop