みつ入国にゅうこく斡旋あっせんぎょうしゃでした
mitsunyūkokuassengyōshadeshita

Noun
Desu Copula

The polite past form of 密入国斡旋業者

1. Was a facilitator of illegal immigration.; Was an intermediary for illegal entry.

Past/Perfective
Polite