slave **
striver
hard worker

The people of the village are very much hard workers.

But, at the same time, I love children and am a very hard worker.

We understand he's a very hard worker, and someone who wanted to get better.

He was a very hard worker in his earlier days.

He was a hard worker who did some good things.

A hard worker, he was one of the top students at the university.

Always a hard worker, she never turned down the chance to learn a new role.

The three brothers were known as hard workers until they got paid.

My dad was a hard worker and did his best to provide for us.

Still was considered a quiet child but a hard worker.