'Certain' in the Bible

Now there cried a certain woman of the wives of the sons of the prophets unto Elisha, saying, Thy servant my husband is dead; and thou knowest that thy servant did fear Jehovah: and the creditor is come to take unto him my two children to be bondmen.

And when the king asked the woman, she told him. So the king appointed unto her a certain officer, saying, Restore all that was hers, and all the fruits of the field since the day that she left the land, even until now.