'Accomplish' in the Bible

May God do so to Abner, and more also, if as the Lord has sworn to David, I do not accomplish this for him,

The king said to Ziba, "{What do you want to accomplish by bringing these}?" And Ziba said, "The donkeys [are] for the king's household to ride [on]; the bread and the summer fruit [are] for the young men to eat, and the wine [is] for the faint in the wilderness to drink.