Russian-English translations for шваль

• lowlife
  They say all the lowlifes used to hang out at the docks and plot their despicable crimes, before being elected to public office.
• scum
  During smelting, scum rises to the surface and is then removed by the smelter
  These organisms form scum in large quantities
  People who sell used-up pens are scum, just total low-lives
• trash
  I am Harry Potter trash.
  The burglars trashed the house.
  to trash the rattoons of sugar cane