diaspora

The dispersion of a people from their original homeland to other parts of the world; also, the communities formed by such dispersed peoples who maintain cultural connections to their place of origin.

• diasporic/daɪˈæspɒrɪk/(adj)散居的

• Jewish diaspora
• African diaspora
• diaspora community
• diaspora network
• in the diaspora
• cultural diaspora

1. 1.The Jewish diaspora — the dispersion of Jewish communities across Europe, North Africa, and the Middle East following the Roman destruction of Jerusalem in 70 CE — shaped millennia of Jewish identity and culture. (historical dispersion)
2. 2.The Chinese diaspora has created vibrant communities across Southeast Asia, the Americas, and Europe, maintaining cultural connections to China while contributing enormously to their adopted countries. (modern diaspora network)

• dispersion/dɪˈspɜːrʒən/— scattering
• exile/ˈɛɡzaɪl/— forced departure from homeland
• emigration/ˌɛmɪˈɡreɪʃən/— leaving one's country

from Greek "diaspora" (scattering, dispersion) — "dia" (across) + "speirein" (to scatter, to sow) — people scattered like seeds across the world