noun
A somewhat formal or literary term for a fellow worker or companion in the same profession or organization. In everyday speech, 同僚 is more common.
彼は長年の僚友であり、互いに信頼している。
He is a longtime colleague, and we trust each other.
職場の僚友と協力してプロジェクトを進めた。
I worked on the project in cooperation with my workmates.