Other hyponyms of offender include
abuser,
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,
pandar,
pander,
panderer,
pimp,
ponce,
procurer,
principal,
backslider,
recidivist,
reversionist,
miscreant,
reprobate,
shark,
pettifogger,
shyster,
evildoer,
sinner,
supplanter,
usurper,
war criminal.