The Lord is God and vice versa.Well He did, He suffered for our healing and died in our stated no matter how YOU look at it. Romans 5:9+
We also have to confess Him verbally as Lord and Messiah publicly and or to out congregation at some time also in Romans.
HELLO!!! WE ARE NOW IN THE NT SINCE HIS CONCEPTION AND BIRTH... Why quote passage intended to Israel alone and then use them to us Messianic believers ? Romans 10:9+