Cameroon ; Unhöflichkeit; Impoliteness; Rudeness; Politeness (style of speech) ; Linguistic imperialism; Globalisierung; Globalization; Transnationalization; Colonialism/Globalization ; Sprachattitüde; Linguizismus; Linguicism; Prestige; Sprachliche Unsicherheit; Linguistic insecurity ; Jugendliche (Sprachverhalten) ; Adolescents (language behavior) ; Jargon; Youth language ; Identität und Sprache; Identity and language; Fremdheit und Sprache; Estrangement and language; Sprache und Integration; Integration und Sprache; Language and identity ; Sprachenpolitik; Language management; Language politics ; Needs assessment (language politics) ; History of language (sociolinguistics) ; Sprachenwahl; Language choice; Diglossia ; Sprachentod; Extinct language; Language endangerment; Bedrohte Sprache; Linguicide; Linguizid; Language death ; Africa (English language in) ; Afrika (engl. Sprache in) ; English in Africa ; West African Pidgin English; Cameroons Creole; Cameroonian Pidgin English; Kamtok ; Afrika (fr. Sprache in) ; Africa (French language in) ; French in Africa