good-for-nothing
adjective
- of no use or help to others
noun
- person who has a life style that is a burden on others and of no use to anyone
Wiktionary
adj
- Useless; worthless.
noun
- A person of little worth or usefulness.
“Americans might have taken some comfort from the fact that these critics also expressed similar misgivings about Rhodes Scholars coming from elsewhere. Isis, a student publication, lampooned Australians as good-for-nothings who badly needed education.”