The prophetic role of the church is one that openly engages with the real issues faced by believers, enabling the church to contribute and offer tangible solutions to the struggles of its congregation in daily life—including in social, national, and civic contexts. The Christian Foundation for Public Health (YAKKUM) is a church-based social institution that works in the field of health and naturally carries out prophetic roles through its programs and activities. Likewise, individuals who work within YAKKUM are expected to embody prophetic roles in line with their respective duties and responsibilities. What kinds of prophetic roles are carried out through YAKKUM? Are those roles truly being fulfilled? And what challenges have been encountered in living out these prophetic roles?