Sentence:  The case is the latest chapter in a decade-long struggle by the nation's elite <WSD>minority</WSD> to crush the powerful political machine founded by Yingluck's brother, Thaksin Shinawatra, who was toppled in another coup in 2006. 
Meaning of the word marked with <WSD> tags:  Any subgroup that does not form a numerical majority. (from 18th c.)