This is a common objection. If Christianity is true, why do some Christians behave badly? The answer has several parts.
First, Christianity teaches that all people are sinners, including Christians. Becoming a believer does not make someone instantly perfect. Growth takes time, and some fail often.
Second, some who call themselves Christians are not truly following Christ. Jesus warned that not everyone who says “Lord, Lord” belongs to Him (Matthew 7:21). Hypocrisy is real.
Third, even genuine Christians can struggle with sin. Paul admitted, “I do not do the good I want to do, but the evil I do not want to do—this I keep on doing” (Romans 7:19). Faith is a journey, not instant perfection.
At the same time, many Christians do live out their faith with love, service, and sacrifice. Hospitals, schools, and charities around the world came from believers living for Christ.
So, while some Christians act worse than non-Christians, this does not disprove Christianity. It shows the need for the grace and forgiveness the Gospel offers.