Charles Spurgeon Commentary 1 Samuel 9:6

"And he said unto him, Behold now, there is in this city a man of God, and he is a man that is held in honor; all that he saith cometh surely to pass: now let us go thither; peradventure he can tell us concerning our journey whereon we go." — 1 Samuel 9:6 (ASV)

In this case, as in so many others, the servant seems to have had more grace than his young master, because he knew of Samuel the prophet, and he knew where the "man of God" lived, and told Saul a good deal about him, and gave him some good advice on what they should do. In any case where the servant, and not the master, knows the Lord, it is good, when the opportunity arises and it can be done prudently and discreetly, for the servant to speak up and give a good word for the cause of God and truth.