keeper

"The keeper of the museum explained the history of the exhibits."

"As the park keeper, he ensures that the trails are clear."

"She works as a zookeeper, a type of animal keeper."

"Please keep your voice down during the presentation."

"He decided to keep the book instead of returning it."

"If you can keep a secret, I will tell you everything."

"This is a keeper dress; I think I’ll wear it to the party."

"They found a keeper puppy at the shelter and adopted it."

"Her ideas were so innovative that they were considered keeper proposals."