Acts 16:32-34 32And they spoke the word of the Lord to him and to all who were in his house. 33And after taking them the same hour of the night, he washed their wounds; and he was immediately baptized and all those with him. 34Then after bringing them up into his house, he set food before them. And he rejoiced along with his entire household because he had believed in God.
Paul and Silas included the jailor’s household in the invitation. A typical household included the family and possibly servants, although a jailor might not have enough wealth or influence to have slaves. Who was part of the jailor’s household is unknown. Salvation involves more than a simple confession of faith but also deeper understanding. Paul and Silas went on to explain more about Jesus, expressed as the word of the Lord. The jailor’s house was likely nearby or connected to the prison, so it was not difficult to gather the family together. All this took place as the night wore on. The only other time indicator is the word immediately in verse 33, which suggests the the jailor wasted no time in debating about faith. He was searching and found the answer in Jesus.
The whole family heard the gospel explained, meaning they understood it as well. When they saw the evidence and heard the testimony of the head of the house, the assumption is that they too came to believe. The whole family was also baptized right at that moment. As a physical experience at a deeply emotional moment, baptism sealed their faith in their minds and marked their new faith. The claim that this story supports infant baptism is a circular argument without any basis in the story. This story shows that baptism is the sign of faith.
The jailor confirmed his new faith and showed the change Jesus had made in his life by caring for the wounds of Paul and Silas. The beating they had experienced had likely significantly hurt their backs. Without aid, they could have suffered infection. Flogging could lead to death. Paul and Silas had brought life to the jailor, and he responded by bringing life to them. The story ends with rejoicing. Rejoicing also marks the letter Paul later wrote to this church known in our New Testament as Philippians. The jailor was the catalyst for a church full of joy and thankfulness. When God dramatically changes a person’s life, it brings great joy and celebration. Paul wrote his letter to this church while in prison again, which may have brought memories of how the church started from a prison.