adjective. Lacking the standard of living and opportunities enjoyed by most people in a society.

adjective. Deprived of the opportunities and advantages of other members of one's community.

noun. A deprived person; deprived people.

adjective. lacking the rights and advantages of other members of society

"To say someone is underprivileged suggests that there are privileges to which everyone is entitled, and I think you can see the term underprivileged gradually leading to the sense of entitlement that we have today."

disenfranchised  

deprived  disadvantaged  underclass  

48-year-old  alt.net  boney  bratty  computer-savvy  

badly off  beggared  beggarly  bereaved  bereft