I was invited to a party where local notables gathered.
He is known as a prominent figure in the political world.
名士 highlights social reputation and public renown, while 有力者 emphasizes practical influence or power.
名士 refers to a person of social distinction or reputation, while 要人 refers more specifically to someone important in political or official affairs.
Compound of 名 (name, fame) and 士 (gentleman, scholar, person of high standing). The combination suggests a person of recognized name and status.