colleague
noun
[ ˈkɒliːɡ ]
• a person with whom one works in a profession or business.
Similar:
fellow worker,
workmate,
teammate,
co-worker,
associate,
partner,
co-partner,
collaborator,
ally,
comrade,
companion,
confederate,
confrère,
oppo,
offsider,
compeer,
consociate,
Origin:
early 16th century: from French collègue, from Latin collega ‘partner in office’, from col- ‘together with’ + legare ‘depute’.