罪魁

zuìkuí
  1. criminal ringleader
  2. chief culprit
  3. fig. cause of a problem

CEDICT

Entry Composition

=1 罪 zuì
  1. guilt
  2. crime
  3. fault
  4. blame
  5. sin
=1 罪 zuì variant of 罪 zuì, crime
2 魁 kuí
  1. chief
  2. head
  3. outstanding
  4. exceptional
  5. stalwart