Diaspora

Is diaspora community just a posh phrase for immigrant community?

Diasporas are often born of misfortune, the experience of homelands left willingly because of lack of opportunity, or fled because of war. In the age after Empire, many subject communities seemed to be drawn irresistibly by the magnet of the former colonial power, where they formed their own sometimes unwelcome diaspora communities. Esther-Miriam Wagner and Dragos Herescu discuss the experience