The Community Health Worker (CHW) is a frontline public health worker of and/or has an unusually close understanding of the community served. This trusting relationship enables the CHW to serve as a liaison/link/intermediary between health/social services and the community to facilitate access to services and improve the quality and cultural competence of service delivery. 

A CHW also builds individual and community capacity by increasing health knowledge and self - sufficiency through a range of activities such as outreach, community education, informal counseling, social support and advocacy. (American Public Health Association, 2009)