The Messiah would be a light to the Gentiles.
OT Prophecy NT Fulfillment
Isaiah 42:6d
"I the LORD have called thee in righteousness, and will hold thine hand, and will keep thee, and give thee for a covenant of the people, for a light of the Gentiles;"
John 8:12
"Then spake Jesus again unto them, saying, I am the light of the world: he that followeth me shall not walk in darkness, but shall have the light of life."

Tanakh - Neviim - Isaiah 42:6d

"I HaShem have called thee in righteousness, and have taken hold of thy hand, and kept thee, and set thee for a covenant of the people, for a light of the nations;"

 Hebrew OT - Isaiah 42:6d

תירבל ךנתאו ךרצאו ךדיב קזחאו קדצב ךיתארק הוהי ינא
.םיוג רואל םע

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