舞台 ぶたい がかりではありませんでした
butaigakaridewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 舞台係り

1. Was not involved with the stage.; Was not connected to the stage.; Was not in charge of the stage.

Past/Perfective
Negative
Polite
Formal Register