Case study ; Shared intentionality; Collective intentionality; Intersubjectivity ; Manager (language behavior) ; Führungskraft (Sprachverhalten) ; Rollenkonflikt (Kommunikationsforschung) ; Positioning theory; Role-specific communication ; E-Mail; Voice mail; Chat; Computer-mediated communication ; Multilingualism; Polylingualism; Plurilingualism ; Latin America (Spanish language in) ; Lateinamerika (span. Sprache in) ; Spanish in Latin America ; Quichua; Kechua; Cochabamba; Inga