Isaiah 21:6
For thus hath the Lord said unto me, Go, set a watchman: let him declare what he seeth:
2 Kings 9:17-20
Now the watchman was standing on the tower in Jezreel, and he spied the company of Jehu as he came, and said, I see a company. And Joram said, Take a horseman, and send to meet them, and let him say, Is it peace?
Isaiah 62:6
I have set watchmen upon thy walls, O Jerusalem; they shall never hold their peace day nor night: ye that are Jehovah's remembrancers, take ye no rest,
Jeremiah 51:12-13
Set up a standard against the walls of Babylon, make the watch strong, set the watchmen, prepare the ambushes; for Jehovah hath both purposed and done that which he spake concerning the inhabitants of Babylon.
Ezekiel 3:17
Son of man, I have made thee a watchman unto the house of Israel: therefore hear the word at my mouth, and give them warning from me.
Ezekiel 33:2-7
Son of man, speak to the children of thy people, and say unto them, When I bring the sword upon a land, and the people of the land take a man from among them, and set him for their watchman;
Habakkuk 2:1-2
I will stand upon my watch, and set me upon the tower, and will look forth to see what he will speak with me, and what I shall answer concerning my complaint.