What does that have to do with the price of tea in China? Was Jesus the Christ? Yes or No? You will have to answer yes. Was St. Peter following Him? Yes! Define a Christian. It is one that follows Christ. Well, maybe in your case it is one who follow JC making them a JCian.
"Was St. Peter following Him?"
And where is it documented in the Bible that Peter is a saint?
http://dictionary.reference.com/browse/christian
How can one have a Christian faith until such time as there was a christian Church?