coadjutor, ally

ACCOMPLICE
WordClue
ALLYaccomplice, abettor
FRIENDally
PROVOSTprior
ADHERENTsupporter
FOLLOWERsupporter
ASSISTANTaccomplice, confederate
COADJUTORaccomplice, ally
TRAINERcoach
CARBONcoal