colleague
/ˈkɒljʊˌliːɡ/ or /kɒlˈɛɡ/Definitions
1. noun
A person with whom one works or studies; an associate or acquaintance.
“She’s a colleague of mine from the marketing department.”
2. noun
A person with a similar position or occupation; a peer.
“The colleague from the neighboring office offered valuable advice on the project.”
3. verb
To share or participate in a project or activity with others.
“The team members will need to colleague with each other to meet the deadline.”