A couple of donkeys saddled - These were the donkeys that Mephibosheth and his servant should have ridden. See the note on [Reference 2 Samu…

Ziba ... met him. —It is evident from the sequel of the story (2 Samuel 19:24–30) that Ziba grossly slandered his mast…

And when David was a little past the top [of the hill]
Of the mount of Olives, the ascent of which he is said to go …

Ziba slandered Mephibosheth. Great men should always be wary of flatterers, and be careful to hear both sides.