'Assistant' in the Bible

So they sent off their sister Rebekah, along with her personal assistant, Abraham's servant, and his men.

However, Nun's son Joshua, your assistant, will go there. Encourage him, for he will cause Israel to take possession of it.

He issued these orders to Hilkiah, Shaphan's son Ahikam, Micah's son Abdon, Shaphan the scribe, and the king's personal assistant Asaiah:

Then Sanballat sent his assistant to me the fifth time. But this time the letter was sent unsealed, and