Islam Moslems Religiosität; Religiöse Pluralität; Deutschland; Interreligiöse Begegnung; Biografieforschung; Islam; Muslime; Moderne; Zeitgeschichte; Bikonfessionalität; Gastarbeiter; Flüchtlingsdebatte; Generation; Identität; Praxeologie; Religion; Migration; Religionssoziologie; Religionswissenschaft; Interkulturalität; Religiousness; Religious Plurality; Germany; Interreligious Encounter; Biographical Research; Muslims; Modernity; Contemporary History; Biconfessionality; Guest Worker; Refugee Debate; Identity; Praxeology; Sociology of Religion; Religious Studies; Interculturalism guest workers identity inter-religious encounter interculturality migration multi-denominationalism praxeology religion religious plurality sociology of religion