This edited volume focuses on the (un)equal access to the public space granted to the various groups that make up hybrid and multicultural societies: i.e. majority vs minority groups, immigrants vs non-immigrants, and so forth. With ‘access to public space’ the authors refer not only to participation through discursive practices in the public arena (e.g. political, social and institutional debates) but also to a full operationalization of the knowledge, habits and opportunities attached to true citizenship. Furthermore, in contexts of inequality and sociocultural conflict, the role of mediators has always been underscored as third-party figures (in)formally acknowledged and authorized–by participants in the interaction and/or external bodies–to set the ground for mutual understanding and foster balanced communication. Such mediation can range from interpreting in legal and medical encounters to dispute-resolution practices in situations of sociocultural clash among groups or individuals. Therefore, as is shown by the contributions in this volume, (intercultural) mediators are key agents in facilitating integration and providing disadvantaged groups with effective tools to gain access to the public sphere.