1
general::
colleague
someone who you work with in a company or organization, for example someone working in the same office, or someone teaching in the same school:
• Friends and former colleagues described him as a kind and caring man. • She discovered that her male colleagues were earning more than she was.
workmate
British English someone who you work with. Workmate is more informal than colleague:
• He went out for a drink with his workmates.
coworker
American English someone who you work with:
• I was sad to say goodbye to all of my coworkers.
associate
someone who you work with, especially another businessman or businesswoman:
• They are close friends and business associates.
staff
all the people who work for an organization:
• The company employs a total of 520 staff. • a staff meeting
Longman-Thesaurus
3
general::
noun ADJ. close, trusted | junior, senior | female, male | professional, work | academic, business, medical | cabinet, parliamentary
Oxford Collocations Dictionary