“…These include increased opportunities for companionship, unified action to achieve positive goals, social connectedness, a sense of community, trust, and ability to redress grievances (Mann, ; Pacek, ). Union membership provides the opportunity for control and power over some aspects of one's work life and family life, thus promoting self‐esteem and psychological well‐being and autonomy (Rosenberg, ). A sense of empowerment follows from the experience of having a clear group “voice” and from collective action (Isaac & Christiansen, ; Sharp, ).…”