'Officers' in the Bible

I went to the governors of the region west of the Euphrates and gave them the king’s letters. The king had also sent officers of the infantry and cavalry with me.

From that day on, half of my men did the work while the other half held spears, shields, bows, and armor. The officers supported all the people of Judah,

Then my God put it into my heart to assemble the nobles, the officials, and the people to be registered by genealogy. Then I found the register of the genealogy of those who came [from Babylon] first, and I found the following record: