Jezekiel 33:6

6 But if the watchman see the sword coming, and do not sound the trumpet, and the people do not watch; and the sword come, and take a soul from among them, that is taken because of its iniquity; but the blood will I require at the watchman's hand.

Jezekiel 33:6 In-Context

4 and he that hears the sound of the trumpet shall hear , and not take heed, and the sword shall come upon him, and overtake him, his blood shall be upon his head.
5 Because he heard the sound of the trumpet, and took no heed, his blood shall be upon him: but the other, because he took heed, has delivered his soul.
6 But if the watchman see the sword coming, and do not sound the trumpet, and the people do not watch; and the sword come, and take a soul from among them, that is taken because of its iniquity; but the blood will I require at the watchman's hand.
7 And thou, son of man, I have set thee a watchman to the house of Israel, and thou shalt hear a word from my mouth.
8 When I say to the sinner, Thou shalt surely die; thou speak not to warn the wicked from his way, the wicked himself shall die in his iniquity; but his blood will I require at thine hand.

The Brenton translation of the Septuagint is in the public domain.