Answer: harbinger

AnswerCrossword Clue
HARBINGERAvant-courier.
HARBINGERPrecursor.
HARBINGERForerunner.
HARBINGEROmen
HARBINGERRobin or crocus, often
HARBINGERSign of things to come
HARBINGERForeshadow
HARBINGERIt's a sign
harbingera forerunner; something that indicates what is to come / to foreshadow
harbingerone that heralds the approach of something