'Seer' in the Bible

(In the past in Israel, when a man went to get directions from God, he said, Come let us go to the Seer, for he who now is named Prophet was in those days given the name of Seer.)

And when they were on the way up to the town, they saw some young girls going out to get water and said to them, Is the seer here?

Then Saul came up to Samuel in the doorway of the town and said, Give me directions, if you will be so good, to the house of the seer.

Then Samuel said to Saul, I am the seer; go up before me to the high place and take food with me today: and in the morning I will let you go, after opening to you all the secrets of your heart.