Rusi
Rusi is a term that can refer to several things, most commonly the historical and sometimes contemporary designation for people of Russian origin or the Russian language itself. The term's usage can vary depending on context and historical period, sometimes encompassing broader Slavic groups. In a modern context, "Rusi" is often used to distinguish ethnic Russians from other nationalities within the Russian Federation or from other Slavic peoples.
Historically, the term "Rus'" was associated with the medieval state of Kievan Rus', a powerful East Slavic
In some contemporary discussions, the term might be used informally or pejoratively, depending on the speaker