'Keeper' in the Bible

In the past when Saul was king over us, it was you who went at the head of Israel when they went out or came in: and the Lord said to you, You are to be the keeper of my people Israel and their ruler.

And Joab, the son of Zeruiah, was chief of the army; and Jehoshaphat, the son of Ahilud, was keeper of the records;