The extension worker plays a crucial role in facilitating positive change in rural communities by acting as an intermediary between researchers and farmers, educating farmers on new agricultural practices, and helping farmers address problems through participatory and collaborative methods that respect local knowledge and circumstances. Effective extension requires technical knowledge as well as strong communication, leadership, and facilitation skills to build trust with farmers and encourage adoption of innovations. The document provides guidance on the various roles, skills, and qualities needed for extension workers to be successful change agents.