russifier
/ˈrʌsɪfʌɪər/Definitions
1. noun
A person who speaks a language other than their native one, especially in a position of power or authority, and uses it to promote their own interests or impose their will on others.
“The russifier policies of the 19th century led to a surge in ethnic tensions within the empire.”
2. verb
To make something more like Russian, especially by introducing Russian language, culture, or institutions into a previously non-Russian environment.
“The city has been russified over the past few decades, with many buildings and street signs now bearing Russian names.”