Topic - The Untouchables

==Social systems==*Untouchability, a general description of untouchables, people of low social status in societies.**Baekjeong, a Korean outcaste**Burakumin, hisabetsu buraku, a Japanese social minority group**Dalit, in India and Nepal, a person of low caste **Homo sacer, a "sacred man"; an obscure figure of Roman law**Al-Akhdam, a caste in Yemen**Osu, a caste in West Africa - Source: Wikipedia