Rashi on Isaiah
since the Lord anointed me This anointing is nothing but an expression of nobility and greatness.
Ibn Ezra on Isaiah
Upon me. The first person refers to the prophet. The spirit. The prophecy. Comp. And took of the spirit, that was upon him (Num. 11:25).
Rashi on Isaiah
to declare freedom for the captives That is to say, to bring them the tidings of the redemption.