Trotskyite Communists, individually (singular) and collectively (plural, more usual). This approach to communism seeks to spread it around the world, rather than to consolidate the system in the home country. From Leon Trotsky. Used because of its potential links to the trots.
This lead "The Trotskyite faction disrupted the Maoist speaker at the Party Convention" could be re-written as a headline: "Maoist speaker interrupted by a dose of the Trots."