to belong to; to come under; to be affiliated with; to be subject to
「属す」 has another reading with different meanings.
チームAに属した彼は活躍した。
He, who belonged to Team A, was highly active.
この部署には十名の研究者が属している。
Ten researchers belong to this department.
彼女は法務部に属す社員として、会議に招かれた。
She was invited to the meeting as an employee who belongs to the legal department.