noun, noun or participle which takes 'suru', intransitive verb
guest appearance; guest performance
Used when an actor, musician, or other performer appears as a guest in a production, concert, or show. Often used with する to mean 'to make a guest appearance'.
彼はそのドラマに客演した。
He made a guest appearance on that drama.
人気歌手がライブに客演する予定だ。
A popular singer is scheduled to make a guest appearance at the live concert.