自宅 じたく警備 けいび いんじゃなかったです
jitakukeibi inja nakattadesu

Noun
Desu Copula

The polite, past negative form of 自宅警備員

1. Was not a home guard.; Was not a stay-at-home guard.; Was not a home security person.

Past/Perfective
Negative
Polite
Casual Register