personnel

noun3

1. •
   all the workers in a business, an army or a government office

   • People like to see such friendly relationship existing between the respective personnels of their Army, Navy and Marine Corps. — 1924
2. •
   (nonstandard) A member of an organization such as an army.

   • An army personnel was seen to torture an injured protester. — 2025
3. •
   A human resources department.

   • I've just had a letter from personnel.