8But as for the cowardly, the faithless, the detestable, as for murderers, the sexually immoral, sorcerers, idolaters, and all liars,their portion will be in the lake that burns with fire and sulfur, which is the second death.”
In the present context the term refers to those who (be it under duress) betray fellow believers to the enemy (Matthew 10:17, Matthew 10:21; Matthew 24:9; John 16:2), perhaps resulting in their deaths (Jeremiah 38:1–28).
8 But as for the cowardly, the faithless, the detestable, as for murderers, the sexually immoral, sorcerers, idolaters, and all liars, their portion will be in the lake that burns with fire and sulfur, which is the second death.”