Isaiah 21:6
For so Jehovah has said to me, Go, set a watchman, let him declare what he sees.
2 Kings 9:17-20
And a watchman stood on the tower in Jezreel. And he saw the company of Jehu as he came, and said, I see a company. And Jehoram said, Take a horseman and send to meet them, and let him say, Is it peace?
Isaiah 62:6
I have set watchmen on your walls, O Jerusalem, who will not always be silent all the day nor all the night; you who remember Jehovah, do not be silent.
Jeremiah 51:12-13
Set up the banner on the walls of Babylon; make the watch strong; set up the watchmen; prepare the ambushes. For Jehovah has both planned and done that which He spoke against the people of Babylon.
Ezekiel 3:17
Son of man, I have made you a watchman to the house of Israel. Therefore hear the Word of My mouth, and give them warning from Me.
Ezekiel 33:2-7
Son of man, speak to the sons of your people, and say to them: When I bring the sword on it, on a land, and take one man from the people of the land, of their borders, and set him for their watchman;
Habakkuk 2:1-2
I will stand on my watch and set myself on the tower, and will watch to see what He will say to me, and what I shall answer when I am reproved.