Thy servant will go a little way over Jordan with the king,
&c.] That is, go a little way after he was over Jordan with him, and then return to his own city:
and why should the king recompense it with such a reward?
the sense is, why should the king recompense so trifling a thing as I have done, and which was but my duty, with such a reward, as to maintain me in so grand a manner at his court?