Gaius of Corinth is noted for his significant hospitality, a quality that stands out in the context of serving and supporting the work of the church. Though little is known about his life or exact location, some suggest he was a prominent lay-member in a town near Ephesus. His reputation for generosity highlights the importance of individual contributions to the collective mission, reflecting the broader theme of service and dedication within the flock under the guidance of the Chief Shepherd, Jesus Christ.

In the city of Corinth, the apostle Paul found a new opportunity for ministry after facing numerous challenges in other regions. Among the significant figures in this context is Gaius Titius Justus, a convert of Paul's. This man, often referred to simply as Justus, opened his home to Paul, providing a space for him to continue his work. The Romans typically gave individuals three names, and Justus was his surname, indicating his full name as Gaius Titius Justus. His willingness to support Paul was crucial, especially after the Jews expelled Paul from the synagogue. This act of hospitality allowed Paul to persist in his mission, even as opposition arose, demonstrating the importance of such support in the face of adversity.

Gaius of Corinth holds a significant place in the context of the divisions within the early church at Corinth, as highlighted by the Apostle Paul. Gaius had probably been Paul's host when he arrived there, marking him as a notable figure among the believers. Paul mentions that he baptized only a few in Corinth, including Gaius, alongside other special converts like Stephanas and Crispus. This act of baptism was not to annex individuals to himself but to emphasize their connection to Christ. Paul expresses relief that he did not baptize more, as it could have deepened the existing factions within the church, where members aligned themselves with different leaders. The mention of Gaius underscores the personal relationships Paul formed, yet his focus remains on uniting the believers under the name of Christ, rather than any human leader.