Source Wikipedia

Social justice from religious traditions

Christianity
Catholicism
Main article: Catholic social teaching
Catholic social teaching consists of those aspects of Roman Catholic doctrine which relate to matters dealing with the collective aspect of humanity. A distinctive feature of the Catholic social doctrine is their concern for the poorest members of society. Two of the seven key areas[8] of "Catholic social teaching" are pertinent to social justice:

Even before it was propounded in the Catholic social doctrine, social justice appeared regularly in the history of the Catholic Church:

References
8.^ Seven Key Themes of Catholic Social Teaching
9.^ Matthew 25:40.
10.^ Option for the Poor, Major themes from Catholic Social Teaching, Office for Social Justice, Archdiocese of St. Paul and Minneapolis.