τῷ Δαυιδ κρῖνόν με ὁ θεός καὶ δίκασον τὴν δίκην μου ἐξ ἔθνους οὐχ ὁσίου ἀπὸ ἀνθρώπου ἀδίκου καὶ δολίου ῥῦσαί με
A Psalm of David. Judge me, O God, and plead my cause from a nation not holy; deliver me from an unjust and deceitful man.
Rahlfs Septuagint
Greek text followed verse by verse by a direct English translation.