This person fights for Democracy
noun
de·​moc·​ra·​cy di-ˈmä-krə-sē
plural democracies
Synonyms of democracy

: government by the people
especially : rule of the majority

: a government in which the supreme power is vested in the people and exercised by them directly or indirectly through a system of representation usually involving periodically held free elections

: a political unit that has a democratic government

capitalized : the principles and policies of the Democratic party in the U.S.
from emancipation Republicanism to New Deal Democracy
—C. M. Roberts

: the common people especially when constituting the source of political authority

: the absence of hereditary or arbitrary class distinctions or privileges