The document provides an overview of Opus Dei, a Catholic institution founded in 1928 by St. Josemaría Escrivá, aimed at evangelizing through the sanctification of work and promoting charitable initiatives. It highlights the role of cooperators—men and women from various backgrounds who support Opus Dei's activities through prayer, almsgiving, and work—demonstrating their contributions to educational and social programs worldwide. Testimonials illustrate the diverse ways cooperators engage in and benefit from their involvement, reflecting a commitment to serving God and their communities.