The Messiah would be protected by God.
OT Prophecy NT Fulfillment
Isaiah 49:2b
[2] And he hath made my mouth like a sharp sword; in the shadow of his hand hath he hid me, and made me a polished shaft; in his quiver hath he hid me.
Matthew 2:13–15
[13] And when they were departed, behold, the angel of the Lord appeareth to Joseph in a dream, saying, Arise, and take the young child and his mother, and flee into Egypt, and be thou there until I bring thee word: for Herod will seek the young child to destroy him.
[14] When he arose, he took the young child and his mother by night, and departed into Egypt:
[15] And was there until the death of Herod: that it might be fulfilled which was spoken of the Lord by the prophet, saying, Out of Egypt have I called my son.
Tanakh – Neviim – Isaiah 49:2b
[49:2] And He hath made my mouth like a sharp sword, in the shadow of His hand hath He hid me; and He hath made me a polished shaft, in His quiver hath He concealed me.
Hebrew OT – Isaiah 49:2b
[49:2] וַיָּשֶׂם פִּי כְּחֶרֶב חַדָּה
בְּצֵל יָדוֹ הֶחְבִּיאָנִי
וַיָּשִׂימֵנִי לְחֵץ בָּרוּר
בְּאַשְׁפָּתוֹ הִסְתִּירָנִי