The phrase “οἱ ἐκ περιτομῆς (πιστοί)” occurs twice in Acts, once with πιστοί (10:45) and once without (11:2). Is the change significant, and should translations add in the word “believer” in 11:2 when the Greek doesn't say they were believers?
Are they "Jews" or "Christian Jews"? (Acts 11:2)
Bill Mounce