The very earliest Christian leaders attested outside the gospels (but still in The Bible) were James and Peter, whom Paul mentions in Galatians. Paul is ambiguous as to whether they were the very first leaders of a Christian community.
The first Christian community were the Disciples of Jesus. They were together anyway and helped to convert members of the Jewish community, making Christianity grow.
Your answer can be found in Acts 2:42-47. Acts is a book in the New Testament, which is the second half of the Bible.
Indian orthodox
The Christian Community was created in 1922.
The Early Christian community did not use an edition. They used the original Hebrew scriptures until they were first translated into Greek.
St. Stephen was one of the first Christian martyrs and is believed to have lived in Jerusalem. He is known for being one of the seven deacons appointed by the Apostles to serve the early Christian community.
Community Christian College was created in 1994.
Sisters for Christian Community was created in 1970.
Casino Christian Community School was created in 1995.
Community Baptist Christian School was created in 1982.
Community Christian School - Florida - was created in 1968.
Niagara Christian Community of Schools was created in 1932.
Christian Community of Universal Brotherhood was created in 1917.
Community Christian College's motto is 'Designed with the Student in Mind'.