Responsibilities of a Part-Time Pawnbroker/Retail Sales Associate are: (This is a representative list of the general duties the Part-Time Pawnbroker/Retail Sales Associate position may be asked to perform and is not all-inclusive; other duties may be assigned as needed.) . A Pawnbroker/Retail Sales Associate greets, engages, and interacts with customers in a positive and professional manner to process sales, loans, and other transactions.