[{"Bold_text": "noun", "List Items": ["(in Russia)a member of the more radical majority of the Social Democratic Party, 1903–17, advocating immediate and forceful seizure of power by the proletariat.(after 1918) a member of the Russian Communist Party.", "a member of the more radical majority of the Social Democratic Party, 1903–17, advocating immediate and forceful seizure of power by the proletariat.", "(after 1918) a member of the Russian Communist Party.", "(loosely) a member of any Communist party.", "(often lowercase)Disparaging.a contemptuous term used to refer to an extreme radical or revolutionary."]}]