ANSWER: The Roman Jailer was immersed in water for the remission of sins, just as were those on the Day of Pentecost in Acts two. Peter had told those to repent and be baptized for the remission of sins. This is exactly what (after hearing the Word of the Lord) the Roman Jailer did. He washed their stripes (an indication of his repentance) and was baptized. The result was the same for him as it was for those on Pentecost. In verse thirty, the Jailer had asked, “What must I do to be saved?” Paul’s response was: “Believe on (surrender completely to) the Lord Jesus Christ.” The Roman Jailer did not have “faith in Christ” at that point, neither was he saved at that point! We can know this because the same apostle says that “faith” comes by hearing (accepting and obeying) the Word of God (Romans 10:17). Therefore, the Jailer could not have had “saving faith” until after he had heard the Word of the Lord. In other words, he could not have had “saving faith” without obedience to that which he had been taught (James 2:14-24). It is not enough simply to believe in Christ (to give mental assent to His Deity), because even the devils do that (James 2:19.) Additionally, Peter tells us that “God is no respecter of persons.” This means that however one is saved, all must be saved! How were the people on Pentecost saved? The Roman Jailer was saved in exactly the same way! It is significant, too, that it is said of the Roman Jailer (just as the Ethiopian eunuch of Acts 8:26-40) that he rejoiced in his salvation after his baptism (not before). The American Standard Version says in verse thirty-four that he “rejoiced greatly, with all his house, having believed in God.” Clearly then the Jailer is said to have “believed” in God (in response to Paul’s directive of verse thirty-one) after he had been baptized (not before)!