keeper

The zookeeper is responsible for cleaning the lion's enclosure and preparing its food.

(Chinese) 动物园管理员负责清洁狮子的圈舍并准备其食物。

The keeper of the museum's rare book collection ensures that the old texts are kept in a cool room.

(Chinese) 博物馆稀有书籍收藏的管理员确保古老的文本保存在凉爽的房间里。