Other hyponyms of offender include
maltreater,
aggressor,
assailant,
assaulter,
attacker,
barrater,
barrator,
convict,
beguiler,
cheat,
cheater,
deceiver,
slicker,
trickster,
delinquent,
juvenile delinquent,
defector,
deserter,
ganef,
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.