noun
opening act; curtain raiser
Refers to the performance or act that comes before the main event, especially in traditional Japanese entertainment like rakugo or variety shows.
前座の落語が終わると、いよいよ真打の登場だ。
After the opening rakugo performance, it's finally time for the headliner.
noun
opening performer; warm-up act
Refers to the person or group performing the opening act; can also be used figuratively for someone playing a subordinate or preliminary role.
彼はまだ前座だが、将来は真打になれる実力がある。
He's still an opening performer, but he has the talent to become a headliner someday.