wastrel

Etymology

1847, waste + -rel (pejorative).

noun

1. (countable, dated) One who is profligate, who wastes time or resources extravagantly.
   And so with one thing and other the auld witch raised the fiends of jealousy in that innocent heart. She would cry out that Heriotside was an ill-doing wastrel, and had no business to come and flatter honest lassies. 1902, John Buchan, The Outgoing of the Tide
   Party politics didn’t come naturally to me. I was a twentysomething crypto-anarchist wastrel from the outer suburbs of Bristol who’d spent five years after university moving between jobs and getting distracted. 2019-11-19, Tom Meadowcroft, “Unite to Remain could hurt the anti-Brexit cause. That’s why I’m no longer a Green candidate”, in The Guardian
2. (countable, obsolete) A neglected child.
3. (uncountable, obsolete) Refuse; rubbish.