Peter said to them, "Repent, and be baptized, every one of you, in the name of Jesus Christ for the forgiveness of sins, and you will receive the gift of the Holy Spirit.

for as yet he had fallen on none of them. They had only been baptized in the name of Christ Jesus.

Then

When she and her household were baptized, she begged us, saying, "If you have judged me to be faithful to the Lord, come into my house, and stay." So she persuaded us.

So when the Samaritans came to him, they begged him to stay with them. He stayed there two days.

General references

(although Jesus himself didn't baptize, but his disciples),

saying, "You went in to uncircumcised men, and ate with them!"