A person who puts coal or wood into a furnace, for example on a train or a ship.
Stokers are often seen as hard workers who keep things running smoothly.
Examples:
The stoker put coal into the train's furnace.
The ship's stoker worked hard all day.
The stoker made sure the fire kept burning.
The stoker's job is to keep the fire hot.
The stoker never stops putting coal into the furnace.
The stoker is the one who makes the train go fast.