Leninist

[ len-uh-nist ]

/ ˈlɛn ə nɪst /

of or relating to Lenin or to Leninism.

an advocate or supporter of Lenin or Leninism.

Also Le·nin·ite

[len-uh-nahyt] /ˈlɛn əˌnaɪt/.

Origin of Leninist

First recorded in 1915–20; Lenin + -ist

In Western political terms, we might think of them as a Leninist vanguard.
Why the Caliphate Will Devour Its Children|Philip Jenkins|July 11, 2014|DAILY BEAST
But this is the desperate logic of Leninist dreamers, not a reasoned plan.
Partition Skepticism and the Future of the Peace Process|Avner Inbar, Assaf Sharon|September 25, 2013|DAILY BEAST
After this six-and-a-half-hour civics lesson, let us now return to the Leninist mode: that of crushing the opposition.
What Was Obama Thinking?|Tunku Varadarajan|February 25, 2010|DAILY BEAST