Apolos
: a Jewish man from Alexandria who was taught by Aquila and Priscilla
Gayus
: a man or men who were involved with the apostles Paul and John
Kefas
: a nickname for Simon, son of John
Kloë
: a prominent woman well known to the Corinthian believers
Korintus
: a town located on the narrow isthmus connecting the Greek mainland with the Peloponnesus Peninsula to the south
Krispus
: a leader of the Jewish synagogue at Corinth, baptized by Paul
Sostenes
: the man in charge of the synagogue in Corinth who was beaten