This is the 9329th most frequent Polish word.
ubogich
"Ubogich" means "of the poor" or "poor people" (genitive plural form).
The word 'ubogich' is used as a plural adjective implying impoverished individuals (the poor) in the dative case.
Należy pomagać ubogim.
One should help the poor.
Here, 'ubogich' serves as a plural noun referring to impoverished people in the accusative case, agreeing with 'przez' (by).
Wieś była zamieszkana przez ubogich.
The village was inhabited by the poor.
In this instance, 'ubogich' is in the genitive plural case, showing possession or relation ('for the poor').