nonrepublican
Nonrepublican is a term used to describe a person who is not a member of the Republican Party or who does not identify with its platform in United States politics. It can also refer more broadly to someone who does not align with a party or ideology named “Republican” in other countries, though in practice the United States context is most common. As a descriptor, it is generally neutral and is used to categorize voters, candidates, or officeholders without implying a specific alternative.
In common usage, non-Republican typically includes Democrats, independents, members of other parties, and unaffiliated voters. It
Spelling and form vary by style. The preferred form is non-Republican, a hyphenated adjective; the plural is
Ambiguity can arise because “non-Republican” only indicates absence of membership or identification with the Republican Party
See also: Republican Party, Republicanism, Independents, Democratic Party.