Original sentence: This is the basis for his canonization of saints from all walks of life, as well as for establishing and supporting the personal prelature of Opus Dei, whose mission is to spread this call to laity
Edited sentence: This is the basis for his work of canonizing many saints all over the world, who come from all walks of life and for establishing and supporting the personal prelature of Opus Dei, or Work of God, whose very mission is to spread this universal call to people who live and work in the secular world