Answer: It is a sad fact that some Christians have committed suicide. Adding to the tragedy is the false teaching that committing suicide automatically consigns one to hell. Many believe that a Christian who commits suicide will not be saved. This teaching is not supported in the Bible.
Scripture teaches that, from the moment we truly believe in Christ, we are guaranteed eternal life (John 3:16). According to the Bible, Christians can know beyond any doubt that they possess eternal life (1 John 5:13). Nothing can separate a Christian from God’s love (Romans 8:38–39). No “created thing” can separate a Christian from God’s love, and even a Christian who commits suicide is a “created thing”; therefore, not even suicide can separate a Christian from God’s love. Jesus died for all of our sins, and if a true Christian, in a time of spiritual attack and weakness, commits suicide, his sin is still covered by the blood of Christ.
According to the Bible, suicide is not what determines whether a person gains entrance into heaven. If an unsaved person commits suicide, he has done nothing but “expedite” his journey to hell. However, that person who committed suicide will ultimately be in hell for rejecting salvation through Christ, not because he committed suicide (see John 3:18). We should also point out, however, that no one truly knows what was happening in a person’s heart the moment he or she died. Some people have “deathbed conversions” and accept Christ in the moments before death. It is possible that a person who commits suicide could have a last-second change of heart and cry out for God’s mercy. We leave such judgments to God (1 Samuel 16:7).
The suicide of a believer is evidence that anyone can struggle with despair and that our enemy, Satan, is “a murderer from the beginning” (John 8:44). Suicide is still a serious sin against God. According to the Bible, suicide is murder; it is always wrong. Christians are called to live their lives for God, and the decision of when to die is God’s and God’s alone.
May God grant grace and the psalmist’s perspective to each one who is facing trials today: “Why, my soul, are you downcast? Why so disturbed within me? Put your hope in God, for I will yet praise him, my Savior and my God” (Psalm 43:5). (https://www.gotquestions.org/Christian-suicide-saved.html)
If only the Roman Catholics could grasp this I’m stunned some are still defending their priest.