And that no man might bay or sell, save he that had the mark, or the name of the beast, or the number of his name. "And" is omitted in א, C, some cursives and versions and Fathers: no man should be able to buy, etc.
A, B, C, P, and most cursives also omit ἤ, "or," before "the name," thus reading, as in the Revised Version: save he that hath the mark, even the name of the beast, or the number of his name. This expressly asserts what we might have gathered from the analogy of the mark of the true Christian (see on Revelation 13:16), viz.
that "the mark" was "the name" or "the number of his name." The manner in which this was fulfilled in the early ages of the Church is sufficiently notorious. Then faithfulness to the cause of Christ frequently meant banishment from friends, kindred, and home.
St. John himself was feeling the effect of this at the time when he wrote these words in exile at Patmos. So, at the present day, the Jews regard as an utter alien any one of their number who embraces Christianity.
So also, at the present day, the faithful Christian is often interdicted the society of the world, is declared a social nuisance, and is shunned by the worldly minded, who pay allegiance to the beast.
(On the "number," see on verse 18.