a person favouring or advocating the prohibition or banning of something by law

prohibitionists who oppose regulated cannabis programmes

surely only the most ardent of anti-gambling prohibitionists are actually against safer gambling

gun prohibitionists have been trying to ban gun ownership in California

favouring or advocating the prohibition or banning of something by law

the country has been slowly moving away from its strict prohibitionist drug policies in recent years

a prohibitionist approach has sought to control addiction