Wherewith the servants ... - Hebrew, נערי na‛ărēy - The ‘youth,’ or the young men. The word properly denotes boys, youths, young men; and is used here probably by way of disparagement, in contradistinction from an embassy that would be truly respectable, made up of aged men.
Have blasphemed me - God regarded these words as spoken against himself and he would vindicate his own honor and name.