To understand this query, we must first look at what a Christian is. Point blank it's a member of the body of Christ. Humanly speaking, a member of the human body is a part that serves a purpose to contribute to the overall health and functionality of the body. (ie hands, feet, ears eyes etc.)

Participating in a local congregation promotes spiritual growth and gives the believer an opportunity to use the gifts the Lord has given him to promote the overall health of the body. Hebrews 10:25 warns us to “not forsake the assembling of ourselves together, as is the manner of some, but exhorting one another, and so much the more as you see the Day approaching.” How can we be encouraged if we are not together? How can we serve and exhort others if we are not doing life with them? Just as the human body must have every part working effectively to be healthy, so it is with the Body of Christ. What is your function in the body? Are you effectively serving your purpose?

- A parasite is an organism that lives on, or in, a host and gets its food from, or at the expense of, its host. Are there parasitic Christians? What are they?