keeper

例句：

1. 1.The keeper of the castle was a brave knight.
   城堡的看门人是位勇敢的骑士。
2. 2.He is a good keeper of secrets.
   他是个保密工作做得很好的人。
3. 3. The keeper of the archives is responsible for maintaining the records.
   档案保管员负责维护记录。