clerk
US /klɝːk/
UK /klɝːk/

1.
a person employed in an office or bank to keep records or accounts and to undertake other administrative duties
:
•
The bank clerk helped me open a new account.
•
She works as a legal clerk at a law firm.
2.
a person who works in a store, assisting customers and handling sales
:
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The shop clerk helped me find the right size.
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She worked as a sales clerk during the summer.
1.
to work as a clerk; to perform clerical duties
:
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He used to clerk for a judge before becoming a lawyer.
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She will clerk at the front desk during the busy season.