Pariah (noun)

1. An outcast.
2. A person who is rejected (from society or home).

Origin:

Mid 18th century: from tamil paṛaiyar, from paṛai "drum" (used by the outcastes) + the honorific suffix -yar.

Examples:

1. He was a pariah among his peers.
2. The caste system in India made the Dalits (formerly known as "untouchables") pariahs.
3. The refugees are often treated as pariahs by the local population.
4. The country's political pariahs are often exiled or imprisoned.
5. He was considered a pariah after the scandal broke.