One must understand he becomes part of a body of people who are separate and distinct from the world. God has always demanded his people be separate from the world. To Israel God said, “I am the LORD your God, which have separated you from other people” (Leviticus 20:24). In the New Testament, we read, “Wherefore come out from among them, and be ye separate, saith the Lord, and touch not the unclean thing; and I will receive you” (2 Corinthians 6:17).
Peter, on the first Pentecost after the resurrection of Jesus (the day the church of Christ began), preached the gospel for the first time. Some desired to know what to do to be forgiven of their sins. The Lord’s answer was, “Repent, and be baptized every one of you in the name of Jesus Christ for the remission of sins, and ye shall receive the gift of the Holy Ghost” (Acts 2:38). “And with many other words did he testify and exhort, saying, Save yourselves from this untoward generation. Then they that gladly received his word were baptized: and the same day there were added unto them about three thousand souls. …And the Lord added to the church daily such as should be saved” (Acts 2:40,41,47). There is only one body to which the Lord adds the saved (Ephesians 4:4; 2:16; Romans 12:5; 1 Corinthians 12:13,20). The one body is His church, not a denomination of men (Ephesians 1:22-23; Colossians 1:18). The body of the saved is known as the church of Christ (Romans 16:16). The Lord’s church is the “called out” þ those who have been called out of the world to live a separate life unto God. For the Lord “…hath delivered us from the power of darkness, and hath translated us into the kingdom of his dear Son” (Colossians 1:13). This passage also reveals that the body of saved, the church, is also called the “kingdom.” Jesus used the words “kingdom” and “church” interchangeably in Matthew 16:18- 19. Jesus is the Savior of his body, the church, the kingdom. “For the husband is the head of the wife, even as Christ is the head of the church: and he is the saviour of the body“ (Ephesians 5:23). Jesus will only save those in His body. Are you in His body the church? You enter the body by believing, repenting, confessing Christ and being baptized into his body (1 Corinthians 12:13).