Trotskyist
noun
[ ˈtrɒtskɪɪst ]
• a supporter of the political or economic principles of Leon Trotsky.
• "I bought my copy second-hand, from a Trotskyist in her forties"
Trotskyist
adjective
• relating to or denoting the political or economic principles of Leon Trotsky.
• "a Trotskyist leader of the peasant movement"