Tramps are in a low stratum of society.

流浪汉生活在社会的下层。

youdao

So Minben is not a concept held particularly by a given class or stratum but a value consensus of the whole society.

这表明民本思想不专属于某一个阶级或阶层，而是全社会的价值共识。

youdao

"For too long, the police service has recruited the great majority of its officers from too narrow a stratum of society, and formal intellectual attainment has played too little a part in recruitment, " he says.

BBC: What do bobbies learn on the beat?