Community language; Netzwerk (Soziolinguistik) ; Network (sociolinguistics) ; Speech community ; Auswanderer; Emigrants; Migrant; Aussiedler; Gastarbeiter; Arbeitsmigranten; Immigrants/Emigrants ; Sprachattitüde; Linguizismus; Linguicism; Prestige; Sprachliche Unsicherheit; Linguistic insecurity ; Minoritätensprache; Minority language ; Bilingual education ; Third language acquisition ; Griechisch; Greek (modern) ; Modern Greek ; Other varieties of Spanish ; Australien (span. Sprache in) ; Australia (Spanish language in) ; Spanish in Australia