Ezekiel 33:2 KJV
Son of man, speak to the children of thy people, and say unto them, When I bring the sword upon a land, if the people of the land take a man of their coasts, and set him for their watchman:
Ezekiel 33:2, King James Version
In context
1 Again the word of the Lord came unto me, saying,
2 Son of man, speak to the children of thy people, and say unto them, When I bring the sword upon a land, if the people of the land take a man of their coasts, and set him for their watchman:
3 If when he seeth the sword come upon the land, he blow the trumpet, and warn the people;