Ne'er-do-well
/ˈnɛə.duˌwɛl/
noun
A person without a means of support; an idle, worthless person; a loafer; a person who is ineffectual, unsuccessful, or completely lacking in merit; a good-for-nothing.
A person who is up to no good; a rogue.
Synonyms: good-for-nothing, nogoodnik, vagabond