A stoper is a person who works in a mine to dig out the rocks.
A stoper is a hard worker who helps get important things out of the ground.
Examples:
The stoper digs rocks out of the mine.
My dad is a stoper and he works very hard.
The stoper uses big tools to dig.
The stoper is the strongest person in the mine!
The stoper can move mountains with his big tools.
The stoper is the hero of the mine.