staff
The people who work for an organization can be referred to as its staff.
She was invited to join the staff of the BBC.
The police questioned all the hospital staff.
In British English, you can use a plural or singular form of a verb after staff. The plural form is more common.
The staff are very helpful.
The teaching staff is well-qualified and experienced.
In American English, staff is usually followed by a singular form.
The hotel staff was friendly.
Our staff gets bigger every year.
Be careful
Don't refer to an individual person who works for an organization as ‘a staff’. Refer to him or her as a member of staff.
Don't refer to an individual person who works for an organization as ‘a staff’. Refer to him or her as a member of staff.
There are ten students to every member of staff.
All members of staff are expected to attend meetings.