Lovingkindness--the act of caring for others--is a fundamental of Judaism.
In contemporary Jewish thought.
In contemporary parlance, tikkun olam refers to repairing the earthly world in which we live but in Luria's teachings, complete tikkun would undo the world we know.
Beliefs & Practices
Tikkun Olam in Judaism has come to connote social action, community service, social justice, and often, a liberal social agenda.