C1 noun ˌmɑːr.dʒɪ.nəl.aɪˈzeɪ.ʃən
marginalization
маргинализация
Meaning
The treatment of a person, group, or concept as insignificant or peripheral.
Example
Economic policies should address the marginalization of the poor.
Экономическая политика должна решать проблему маргинализации бедных.