1) Bolshevik 2) Communism 3) Communist 4) Communist Manifesto devotee 5) Das Kapital reader 6) Follower of karl 7) French word used in English 8) Red, politically 9) Trotsky or Castro Found on https://www.crosswordclues.com/clue/marxist
The Marxist was a Russian Metalist Class training submarine of 375 tons displacement launched about 1920. The Marxist had a top speed of 12 knots surfaced and 8 knots submerged and was armed with one 6 pdr gun and four 18 inch torpedo tubes. Found on http://www.probertencyclopaedia.com/browse/RM.HTM