'Prophet' in the Bible

And all Israel from Dan even to Beersheba knew that Samuel was established to be a prophet of the LORD.

(Beforetime in Israel, when a man went to inquire of God, thus he spake, Come, and let us go to the seer: for he that is now called a Prophet was beforetime called a Seer.)

Then the Spirit of the Lord will come upon you mightily, and you will prophesy with them, and you will be changed into another man.

And when they came to Gibeah, a band of prophets came face to face with him; and the spirit of God came on him with power and he took his place among them as a prophet.

Now on the day after, an evil spirit from God came on Saul with great force and he was acting like a prophet among the men of his house, while David was making music for him, as he did day by day: and Saul had his spear in his hand.

And he went on from there to Naioth in Ramah: and the spirit of God came on him, and he went on, acting like a prophet, till he came to Naioth in Ramah.

And he took off his clothing, acting like a prophet before Samuel, and falling down he was stretched out, without his clothing, all that day and all that night. This is the reason for the saying, Is even Saul among the prophets?

And the prophet Gad said unto David, Abide not in the hold; depart, and get thee into the land of Judah. Then David departed, and came into the forest of Hareth.