I am a member of this library.

He is the contact person for our team.

The cleaner was cleaning the park.

He is a hard-working worker.

He works as a curator at the art museum.

My father was a union member of the labor union for many years.

He is serving as a judge for this contest.

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

He is known as an excellent criminal investigator.

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