2 Kings 3:11

Is there not here a prophet? this he should have asked before, when they first undertook the expedition, as he did in a like case, 1 Kings 22:5, and for that neglect he now suffers; but better late than never. His affliction brings him to the remembrance of his former sin and present duty. Which poured water on the hands of Elijah, i.e. who was his servant; this being one office of a servant; and this office was the more necessary among the Israelites, because of the frequent washings which their law required.