The keyword term "patriot purworejo" functions as a noun phrase. In this construction, the primary or head noun is "patriot," which is post-nominally modified by the proper noun "Purworejo."
Grammatically, "patriot" serves as the core subject, identifying a person characterized by devotion and loyalty to their country. The word "Purworejo," a proper noun referring to a specific regency in Central Java, Indonesia, acts as a noun adjunct. Its function is adjectival, specifying the origin or affiliation of the patriot. This structure narrows the general concept of a "patriot" to a specific individual or group associated with Purworejo, answering the question, "Which patriot?".
Understanding this term as a noun phrase is crucial because it dictates that the article's main point must center on a person or a group of people. The article should identify, describe, or analyze an individual or collective from Purworejo who embodies patriotic qualities. The focus is not on an abstract concept, but on a tangible subject defined by both their character ("patriot") and their geographical or cultural identity ("Purworejo").