Answer: contender

AnswerCrossword Clue
CONTENDERPrison guard?
CONTENDERRival.
CONTENDERBoxing hopeful
CONTENDERPugilist seeking a title
CONTENDERMoney in prison?
CONTENDERChampion wannabe
CONTENDERMoney from a prisoner?
contenderone who contends