expropriator|ɛksˈprəʊprɪˌeɪtə(r)| [agent-n. f.expropriāre: see expropriate.] One who expropriates. Const. of. 1869Daily News 28 Apr., The expropriators of the national will.1879S. B. Gould Germany II. 268 The expropriator will be himself expropriated.