He is studying while working at a school as a student worker.

Where is my toolbox?

He is a hard-working labourer.

We started negotiations for the new contract.

Momiji is my best friend.

My companion accompanies me to all the places I travel to.

I will accompany my mother to the hospital tomorrow.

He had a child with his second wife.

The reason why the Earth revolves around the Sun is due to centripetal force.

He put the coin in his pocket.