He is a good correspondent, always writing letters.

He is a very diligent person.

His diligence in his work was appreciated, and he was promoted.

His disloyal actions deeply hurt his friends.

He works as a curator at the art museum.

The jury system is a part of the Japanese judicial system.

The train attendant plays an important role in ensuring the safety and comfort of passengers.

He is a member of the Liberal Democratic Party.

He is known as an excellent criminal investigator.

The blue-collar workers are working hard in the factory.