'Worker' in the Bible

Now there was no iron-worker in all the land of Israel: for the Philistines said, For fear the Hebrews make themselves swords or spears:

And the people said to Saul, Is death to come to Jonathan, the worker of this great salvation for Israel? Let it not be so: by the living Lord, not one hair of his head is to be touched, for he has been working with God today. So the people kept Jonathan from death.