Woe. The fifth of the six Woes. The Structure, above, will make this section quite clear, and show that the verses are not "out of place", or "disarranged".
that spoilest. thou plunderer.
dealest treacherously. thou traitor.
Related Commentaries of Isaiah 33:1
Isaiah 33:1
1 Woe to thee that spoilest, and thou wast not spoiled; and dealest treacherously, and they dealt not treacherously with thee! when thou shalt cease to spoil, thou shalt be spoiled; and when thou shalt make an end to deal treacherously, they shall deal treacherously with thee.