This is the 5263rd most frequent Chinese word.
世民
"世民" is a Chinese name meaning "keeper or protector of the people in the world."
In this sentence, '世民' refers to Tang Taizong (Li Shimin), indicating a historical figure's name.
世民是一位历史上著名的皇帝。
Shimin was a famous emperor in history.
Here, '世民' metaphorically represents the people or citizens.
他的学识让世民们深感自豪。
His knowledge made the citizens feel proud.
In this usage, '世民' again stands for the people or society at large.