undertook

And the Jews undertook to do as they had begun, and as Mordecai had written unto them;

So Nicanor undertook to make so much money of the captive Jews, as should defray the tribute of two thousand talents, which the king was to pay to the Romans.

Howbeit Josias did not turn back his chariot from him, but undertook to fight with him, not regarding the words of the prophet Jeremy spoken by the mouth of the Lord:

This embassy then I undertook with enthusiasm, having first of all found an opportunity of pleading with the king on behalf of the Jewish captives who had been transported from Judea to Egypt by the king's father, when he first obtained possession of this city and conquered the land of Egypt.

They were specially qualified therefore for serving on embassies and they undertook this duty whenever it was necessary.