It is joy
simchah (sim-khaw')
blithesomeness or glee, (religious or festival) -- exceeding(-ly), gladness, joy(-fulness), mirth, pleasure, rejoice(-ing).
to the just
tsaddiyq (tsad-deek')
just -- just, lawful, righteous (man).
to do
`asah (aw-saw')
to do or make, in the broadest sense and widest application
judgment
mishpat (mish-pawt')
a verdict (favorable or unfavorable) pronounced judicially, especially a sentence or formal decree (human or (participant's) divine law, individual or collective
but destruction
mchittah (mekh-it-taw')
a dissolution; concretely, a ruin, or (abstractly) consternation -- destruction, dismaying, ruin, terror.
shall be to the workers
pa`al (paw-al')
to do or make (systematically and habitually), especially to practise -- commit, (evil-) do(-er), make(-r), ordain, work(-er).
of iniquity
'aven (aw-ven')
to come to naught); strictly nothingness; also trouble. vanity, wickedness; specifically an idol