This essay aims at: first, critically interrogating the conception of "diaspora," and theorizing individual or collective diasporic subject's particular type of geopolitical imagination, or what I would define as "diasporic cartography," a way of relating oneself to the global condition that is beyond one's cognitive capacity; second, reestablishing the problematic relationship between diaspora and "home" in a non-essentialist way. "Diasporic cartography" refers to every diasporic subject's (un)conscious effort to find a "home" within the alienating space of the global reality by imaginatively (and thus ideologically) mapping one's subject position vis-a-vis the global condition. When embedded in this particular type of geopolitical imagination, every nation-state transforms from a geographical reality with stable boundaries into a peculiar locus of border-crossing and transgression, in which different people's different imaginings of the global reality - invested with and distorted by migrants' desires and fantasies for home - are intersecting, converging and impinging. What is important is that "home" - which is at the very heart of every definition of diaspora - does not always refer to "homeland" as a geographical entity. Rather, it is conceived of as "a site of arbitrary stop," an ensemble both of specific historical/ideological formations and of individual/collective subjects' (un)conscious struggle to inscribe themselves onto a particular position within the shifting global condition. Traditionally, as demonstrated in the case of Jewish diaspora, home has been constructed in conjunction with a homeland as a site of eventual return. Yet such a construction of home as an ontological object can too easily devolve into various kinds of ethnic absolutism. Therefore, the notion of home as a site of arbitrary stop can provide an alternative way of thinking home in a non-essentialist way.