Introduction

In addition, transnational movements have resulted in migratory groups whose location has led to cosmopolitan and hybridized cultures in host states, which question the narrow nationalist discourses. Such migrant groups, usually professionals, freed from kinship, territory and homeland affections, are called "global diasporas". They are migrant groups who are largely a byproduct of globalization, sharing a characteristic of their challenge to host nation-states' hegemonic discourses. Thus, three parallel notions of diasporas are available, each seeking its legitimation: classical, modern and global. In his introductory volume to this

• Alternatively, the expansion from a homeland in search of work, in pursuit of trade or to further colonial ambitions.