go-between; agent; intermediary
Historical term for a person who arranged employment, especially for domestic servants. In modern contexts, it may be used metaphorically or in period settings.
In the Edo period, go-betweens arranged employment for servants.
He goes around introducing people like an employment agent.
斡旋業者 is a modern term for an agency or agent, whereas 口入れ人 is an older, more specific term.
Compound of 口入れ (kuchiire, 'finding employment for someone') + 人 (nin, 'person'). The exact historical derivation is uncertain, but the term is associated with Edo-period employment practices.