Is it a sin for a born-again Christian to remain in Roman Catholicism?


Every Christian’s story on how they accepted Jesus Christ is different. Some testimonies are dramatic, others are sweetly simple.

My five sisters and I were raised in Roman Catholicism and attended Catholic grammar school and high school. In all those years we never once read the Bible at school or at home. None of my friends read the Bible, either. I walked away from the church completely as soon as I graduated from high school but felt compelled to return after my wife and I married and our sons were born. I thought I should be a responsible father and raise our boys in the Catholic faith just as I was raised. In my return to Catholicism, the Lord put it in my head to buy a Bible and I began reading it, voraciously. Uh-oh. While reading the New Testament I kept coming across teachings that opposed what I had been taught as a Catholic. Over a span of a couple of years I left the church and eventually accepted Jesus Christ as my Savior.

As I said, every Christian’s testimony is different. There are some people who are members of Catholicism who accept Christ as Savior but stay in the church for a period of time. But it’s difficult for me to understand how a person could accept Christ and be born again and yet stay in a church that teaches a gospel of sacramental grace and merit. How does one reconcile God’s Word with the mass and the eucharist, Mary, the saints, penance, purgatory, the pope, priests, relics, attempting to obey the Ten Commandments to merit Heaven, etc., etc. It can’t be done. It’s my belief that a person who has genuinely accepted Christ will eventually come out of a system of chains that anathematizes the Gospel of grace. Sin, fear, and the enemy may slow them down, but they are on their way out.

Above is a ten-minute video of evangelical theologian, R. C. Sproul, expounding on the important differences between Biblical Christianity and Roman Catholicism and the sin of remaining in Catholicism after a person has accepted Christ.

“Do not be unequally yoked with unbelievers. For what partnership has righteousness with lawlessness? Or what fellowship has light with darkness?” – 2 Corinthians 6:14

“Then I heard another voice from heaven saying, ‘Come out of her, my people, lest you take part in her sins, lest you share in her plagues.'” – Revelation 18:4


5 thoughts on “Is it a sin for a born-again Christian to remain in Roman Catholicism?

      1. Yeah, that’s very very unfortunate. I was just reading a post someone else shared of a “Reformed” minister and his whole post makes it easy for true Christians to stay inside the Romanist church still…SMH.

        Liked by 1 person

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