Final answer:
Stigma is defined as mistreatment, discrimination, or isolation due to being different. It can manifest in various ways and has negative effects on individuals and groups.
Step-by-step explanation:
Stigma is defined as mistreatment, discrimination, or isolation due to being different. It can hinder individuals from fully integrating into society and can manifest in various ways, such as stigmatization of illness and disabilities, individual and institutional discrimination, and unequal treatment based on specific characteristics. Discrimination and stigmatization can have negative effects on individuals and groups, impacting their identity, access to resources, and overall well-being.