All 3 Uses of

republic
in
Misery, by Stephen King

He would be a Republican of the sort who would no more put a bumper sticker on his car than he would put a pair of pointy-toed Italian shoes on his feet; he must also be some sort of town official, and here on town business, because it was only on town business that a man like this and a reclusive woman like Annie Wilkes would have occasion to meet.
Chpt 2 *

and it really was just like the Republic cliff-hangers, the game you played then was Can You?†
Chpt 2

He supposed there was a certain symbolism in Annie's pantry, the ranks of goods had something to say about the murkiness of the borderline between the Sovereign State of Reality and the People's Republic of Paranoia.†
Chpt 2

Definitions:

(1) (republic as in: the country is a republic)
of a system of government in which a majority of citizens elect representatives to make laws; or someone in favor of such a form of government
(2) (meaning too common or rare to warrant focus)
meaning too common or too rare to warrant focus:

As a proper noun, the word form Republican is commonly used to describe one of the major U.S. political parties. It is and has been used by many other organizations such as The Irish Republican Army.