Is... only? Read, "What, is He, &c."? The question opens with the Greek conjunction e, translated "what" in 1 Corinthians 6:16; 1 Corinthians 6:19; 1 Corinthians 14:36.
not. Same as "nay", Romans 3:27.
also of the Gentiles. of Gentiles also.
Gentiles. See Romans 1:5.