Isaiah 21:6
For this is what the LORD told me: "Go post a lookout. Have him report what he sees.
2 Kings 9:17-20
While the watchman was standing guard in the tower at Jezreel, he watched Jehu's entourage arrive. So he called out, "I see a group arriving." Joram ordered, "Take a horseman, send him out to meet them, and have him ask, "Have you come in peace?'"
Isaiah 62:6
"Upon your walls, Jerusalem, I have posted watchmen; all day and all night they won't remain silent. You who make mention of the LORD, take no rest,
Jeremiah 51:12-13
Lift up the battle standard against Babylon's walls. Strengthen the guard; post watchmen. Set men in position for an ambush. For the LORD will both plan and carry out what he has declared against the inhabitants of Babylon.
Ezekiel 3:17
"Son of Man," he said, "I've appointed you to be a watchman over the house of Israel. Therefore when you hear a message that comes from me, you are to warn them for me.
Ezekiel 33:2-7
"Son of Man, speak to your nation's children and tell them: "If I bring war to a land, and the people of that land appoint one of their conscripted men to serve as a sentinel,
Habakkuk 2:1-2
"I will stand at my guard post and station myself on a tower. I will wait and see what the LORD will say about me and what I will answer when he reprimands me."