a girl Friday

a girl/man/person Friday

a person who does many different types of usually not very interesting work in an office

Usage notes: Man Friday is the name of the servant in the book Robinson Crusoe by Daniel Defoe.

The ad said, 'Person Friday required for general office duties'.

Name	Pronounced	Usage
Lorne	LAWRN	English
Dion	DEE-ahn (English), dee-AHN (English)	Ancient Greek, English
TigernÁN	-	Irish
Gallagher	GAL-ə-gər	Irish, English (Rare)
Shona	['ʃəuna:]
Smith	[simiθ]