What is a Russian oligarch and who is Roman Abramovich? (📸:AP,Getty) @olliewjsmith #russia #russian #russia🇷🇺 #sanctions #oligarch #oligarchs #abramovich #romanabramovich #chelsea #chelseafc #london #uk #britain #politics #footballtiktok #ukraine #ukrainerussia #ukrainerussiaconflict #russiaukraine #russiaukraineconflict #putin #moscow #ukrainewar #oil #industry #sovietunion