Answer:

lieutenant

AnswerCrossword Clue
LIEUTENANTSecond-in-command
LIEUTENANTStead + sawbuck + insect
LIEUTENANTSubordinate
LIEUTENANTPolice department officer
LIEUTENANTPopular TV program (with "The").
LIEUTENANTStratego gamepiece
LIEUTENANTOfficer
LIEUTENANTCaptain's underling