Is Rev. 14:9-11 speaking of torment after death, or of torment while they are still living?

Isa. 9:18-21, "18 For wickedness burneth as the fire: it shall devour the briers and thorns, and shall kindle in the thickets of the forest, and they shall mount up like the lifting up of smoke. 19 Through the wrath of the LORD of ho…