Tikkun olam (; Hebrew: תִּקּוּן עוֹלָם, romanized: tiqqūn ʻōlām, lit. 'repairing of the world') is a concept in Judaism, which refers to various forms of action intended to repair and improve the world. . In classical rabbinic literature, the phrase referred to legal enactments intended to preserve the social order. In the Aleinu prayer, it refers to the eradication of idolatry. In Lurianic Kabbalah, the "repair" is mystical: to return the sparks of Divine light to their source by means of ritual performance.
https://en.wikipedia.org/wiki/Tikkun_olam