noun, noun or participle which takes 'suru'
concurrent post; holding multiple official posts
Formal term used in government, corporate, or organizational contexts when one person holds two or more official positions simultaneously.
彼は社長と会長を兼官している。
He holds the concurrent posts of president and chairman.
大臣が別の大臣を兼
There are cases where a minister concurrently holds another ministerial post.