He is widely recognized as an intellectual in that field.

He likes to imagine the life of subterranean dwellers.

He is too gullible and often gets taken advantage of by others.

He worked as a middleman in that transaction.

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

He is a guard of the castle.

He is the guardian of our village.

He went on a trip with his Croatian friend.

He worked as a middleman between us.

He opened the manhole and checked the sewer.