Individuals can certainly be Christians, but I don't think organized religions are.
Quendi has bitch slapped the correct.
Christianity is a personal ideology, a personal religion, and One of the direct teachings of it's founder, Christ, is a directpersonal relationship with Him is hallmark of being a Christian.
Any group or person that puts themselves between Christ and His believers is going against the direct teachings of Christ.
Any group that follows a doctrine that puts themselves or a group or an individual between them and Christ, is not practicing and following the teachings of Christ.