populist
/ˈpɑp.əˌlɪst/Definitions
1. noun
A person who uses popular opinion to support their policies or actions, often in a simplistic or demagogic way.
“The populist candidate’s message resonated with the working-class voters.”
2. adjective
Related to or characteristic of the masses or popular opinion.
“The populist movement swept through the country, demanding change and reform.”