People who are disadvantaged or live in disadvantaged areas live in bad conditions and tend not to get a good education or have a reasonable standard of living.
1. marked by deprivation especially of the necessities of life or healthful environmental influences;
"a childhood that was unhappy and deprived, the family living off charity""boys from a deprived environment, wherein the family life revealed a pattern of neglect, moral degradation, and disregard for law"