Yes you can make your brother stumble which will make him perish let me post the scripture again in case you didn't read it properly.
1 Corinthians 8
10 For if anyone sees you who have knowledge eating in an idol’s temple, will not the conscience of him who is weak be emboldened to eat those things offered to idols?
11 And because of your knowledge shall the weak brother perish, for whom Christ died?
Look I can imagine how hard it is repenting from a false gospel. Trust me it's worth it though.
So your actions and words can cause the salvation or eternal destruction of another and God can do nothing about it! Wow, your super powerful, im not as powerful as that, of course someone can go to the grave because of what I say or do, sure, they can perish to the grave, but I have no effect on eternal salvation, and neither do you.
Wow, you said there was a Scripture that said "Christ WILL lose none"..
John 6:39
This is the will of the Father who sent Me, that of all He has given Me I should lose nothing, but should raise it up at the last day.
The Great Sheperd loses none.
Lines up PERFECTLY WITH...
2 Peter 3:9
The Lord is not slack concerning His promise, as some count slackness, but is longsuffering toward us, not willing that any should perish but that all should come to repentance.
And we know that salvation leads unto repentance.
Yes, He is longsuffereing to
Us -ward! When you repent the Holy Spirit intercedes on your behalf, it not of yourself, your personal repentence, does not grant salvation, that would mean that you have granted your own salvation according to your own repentence. God changes your mind, you dont, and then the Holy Spirit convicts, and confession and faith is by the Holy Spirit, which is sent by Christ, as it is written He is not willing that any of His sheep go missing or perish unto eternal destruction but that they come to repentence.
2 Corinthians 7:10
For godly sorrow produces repentance leading to salvation, not to be regretted; but the sorrow of the world produces death.
Where did I miss the part that said... "Christ WILL lose none." ??????
That's right, godly sorrow, comes from God, of God, those that believe in Christ are of God, produce godly sorrow, those of the world produce sorrow of the world.