A keeper is someone who looks after something carefully. For example, a person who takes care of animals or a place.
The zoo keeper feeds the animals every day.
She is the keeper of the old house.
In sports like football, the keeper stands in front of the goal. Their job is to block the ball and stop goals.
The keeper saved the ball from going in.
Our football team has a strong keeper.
Keeper is used to talk about a person who is good to have as a boyfriend or girlfriend. It means someone special to keep.
She is a keeper because she is kind.
He is a keeper for a nice future life.
In some card games, keepers are cards that players keep on the table. They can help the player win or do special things.
He played a keeper card to win the game.
Keepers help you in this card game.