Learn how to say Populism correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word populist:
a member or adherent of a political party seeking to represent the interests of ordinary people.
a person who supports or seeks to appeal to the concerns of ordinary people:
she is something of a populist—her views on immigration resemble those of the right-wing tabloid press
relating to or characteristic of a populist or populists:
populist tabloid newspapers
late 19th century (originally referring to a US political party): from Latin populus ‘people’ + -ist