がいじじゃなかったです
害児じゃなかったです
gaijijanakattadesu

Noun
Desu Copula

The polite, past negative form of がいじ

1. Wasn't a nuisance.; Wasn't troublesome.; Wasn't a bother.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana