He is a person from Kansai, so he speaks in Kansai dialect.

He worked as a middleman in that transaction.

This company values harmony among people.

The secret to this company's success is harmony among people.

The police are conducting a search to find the runaway boy.

He is the most competent employee of our company.

He is a guard of the castle.

He is the guardian of our village.

He went on a trip with his Croatian friend.

He likes to imagine the life of subterranean dwellers.