noun
acting career; stage career
Refers to the profession or livelihood of an actor, often with a nuance of the actor's life as a calling or trade.
彼は若い頃から役者稼業に憧れていた。
He had admired the acting profession since he was young.
役者稼業は楽な仕事ではない。
An acting career is not an easy job.
Compound of 役者 (actor) and 稼業 (trade, profession). The exact historical derivation is uncertain, but the word is conventionally associated with the acting profession.