An
employee is someone who is paid to work for an organization, especially someone who has a low-ranking job. A
member of staff/staff member is someone who is employed by a company, organization, school etc. The
staff are the people who work for an organization or business
We now employ a staff of 25.
The
workforce is all the people who work in a country, industry, or large organization
State industry employs almost one-third of China’s urban workforce of 150 million.
Labour British EnglishBrE/Labor American EnglishAmE is all the people who work in an industry or country, especially people whose jobs involve working with their hands, in factories etc rather than in offices.
Personnel are the people employed by a particular company or organization.
Manpower is all the workers available to work for an employer or country. A
colleague or
co-worker is someone you work with, especially in an office. A
workmate is someone who works closely with you, especially someone you are friendly with.