Other hyponyms of wrongdoer include
abuser,
maltreater,
aggressor,
assailant,
assaulter,
attacker,
barrater,
barrator,
convict,
beguiler,
cheat,
cheater,
deceiver,
slicker,
trickster,
delinquent,
juvenile delinquent,
defector,
deserter,
ganof,
gonif,
goniff,
transgressor,
malfeasant,
molester,
no-show,
nonattender,
truant,
culprit,
perpetrator,
fancy man,
pandar,
pander,
panderer,
pimp,
ponce,
procurer,
principal,
backslider,
recidivist,
reversionist,
miscreant,
reprobate,
shark,
pettifogger,
shyster,
evildoer,
sinner,
supplanter,
usurper,
war criminal.