Thou shalt not wrest
natah (naw-taw')
to stretch or spread out; by implication, to bend away (including moral deflection); used in a great variety of application (out), stretch (forth, out), take (aside), turn (aside, away), wrest, cause to yield.
the 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
of thy poor
'ebyown (eb-yone')
destitute -- beggar, needy, poor (man).
in his cause
riyb (reeb)
a contest (personal or legal) -- adversary, cause, chiding, contend(-tion), controversy, multitude (from the margin), pleading, strife, strive(-ing), suit.