Diaspora (noun)

1. The dispersion or spread of any people from their original homeland.
2. The people who have been dispersed in such a way.

Origin:

Early 19th century: via latin from greek diaspora "dispersal, scattering", from diaspeirein "scatter", from dia- "apart" + speirein "to sow".

Examples:

1. The Jewish diaspora refers to the dispersion of the Jewish people.
2. The African diaspora refers to the dispersal of people of African descent.
3. The diaspora of the Jewish people began with their exile from Israel in the 6th century BCE.
4. The diaspora of the African people began with the transatlantic slave trade.
5. The diaspora of the Indian people began with the British colonization of India.