כִּֽי־יַ֭עֲמֹד לִימִ֣ין אֶבְי֑וֹן לְ֝הוֹשִׁ֗יעַ מִשֹּׁפְטֵ֥י נַפְשֽׁוֹ׃
Because He standeth at the right hand of the needy, To save him from them that judge his soul.
Read halakhic rulings (Jewish law) on Psalms 109:31 from the Mishneh Torah and classical halakhic sources, free online.