Ezekiel 33:8 spells out the watchman's accountability: failure to warn makes him liable for the wicked's blood — directly building on verse 3.

Ezekiel 33:9 shows the positive outcome if the watchman warns — completing the contrast with verse 8.

Isaiah 58:1 commands to 'raise your voice like a trumpet' to declare sin — same metaphor as the watchman's blast.

Jeremiah 4:5 calls to 'sound the trumpet' as a warning of approaching disaster — identical function to the watchman.

Hosea 8:1 also uses the trumpet as a warning of impending judgment, echoing the watchman's duty.

Joel 2:1 commands blowing the trumpet to sound alarm for the day of the Lord, same warning function.

1 Corinthians 14:8 uses the trumpet metaphor for clear communication, directly paralleling the need for a distinct warning.

Numbers 10:9 commands trumpet alarms for war, similar to the watchman's warning of the coming sword.

Amos 3:6 echoes the same image of the trumpet as a warning of coming disaster from the Lord.