Read Acts 18:7 Using Other Translations
And he departed thence, and entered into a certain man's house, named Justus, one that worshipped God, whose house joined hard to the synagogue.
And he left there and went to the house of a man named Titius Justus, a worshiper of God. His house was next door to the synagogue.
Then he left and went to the home of Titius Justus, a Gentile who worshiped God and lived next door to the synagogue.