When it comes to the term "social outcast", there are numerous synonyms that can be used to describe someone who is excluded from mainstream society. These synonyms include loner, pariah, outsider, misfit, reject, black sheep, solitary, recluse, hermit, and nonconformist. Each of these words suggests a person who either willingly or unwillingly chooses to separate themselves from society due to their differences, beliefs, or personality. These individuals often struggle to fit in with the mainstream and may find it difficult to connect with others on a social level. While there are negative connotations associated with being a social outcast, it's important to remember that some people embrace their unique qualities and thrive on being different.