The Greek word “ekklesia” in the New Testament
Israel in the wilderness (Acts 7:38)Riotous mob (Acts 19:32, 40-41)Legal court (Acts 19:38-39)Here’s the first place we find it in the New Testament: Matthew 16:18“I will build my church” (singular)Matthew 4:4; Ephesians 1:22-23Here’s the last place we find it: Revelation 22:16“the churches” (plural)Acts 15:41Romans 16:16Salvation
“church”
Membership is equivalent to salvationEphesians 5:23-29Hebrews 12:22-24Matthew 16:13-20“churches”
Members are not necessarily saved (I Corinthians 5), and the saved are not necessarily members.Acts 8:38-39 – The eunuch was not a member of any local church (yet), but he was in a saved relationship with God.Revelation 1:9Important note
The universal church is not composed of local churches. It’s composed of individual Christians.