This is the 11961st most frequent Korean word.
노숙자들의
"Of the homeless" or "belonging to homeless people."
노숙자들의 is a possessive form indicating 'of homeless people', specifying who or what the lives belong to.
노숙자들의 삶은 많은 어려움으로 가득합니다.
The lives of homeless people are filled with many challenges.
노숙자들의 functions as a possessive noun indicating 'of homeless people', specifying the ownership of the stories.
우리는 노숙자들의 이야기를 경청해야 합니다.
We must listen to the stories of homeless people.
노숙자들의 denotes the possessive relationship to '문제' (problem), indicating the problems belonging to homeless people.