shopper

Definitions of shopper
1

n someone who visits stores in search of articles to buy

Types:
bargain hunter
a shopper who hunts for bargains
shopaholic
a compulsive shopper
Type of:
client, customer
someone who pays for goods or services

n a commercial agent who shops at the competitor's store in order to compare their prices and merchandise with those of the store that employs her

Type of:
agent
a representative who acts on behalf of other persons or organizations