He was working as a coolie.

He is a famous author and a person who is respected by many people.

This is a kind of flower.

A coolie was a type of worker in the past.

In this factory, there are many workers who do physically demanding jobs.

He is working all day long.

He worked hard all day long.

Workers of the world, unite, the time has come to show our strength.

The International Workers' Association is historically an important organization.

My father is the leader of a labor union.