へい いき利用 りよう しゃグループだったら
e iikiri yōshagurūpudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 閉域利用者グループ

1. If/when it's a closed user group; If/when [someone] is a member of a closed user group

Tara Conditional
Computing