During the final judgement, the individual will have to answer for themselves. Your parents will not answer for you, nor your spouse, your priest, pastor, deacon, bishop or pope. You and you alone will have to stand before God, perfection, all of creation and answer for every single action or inaction, every thought, and what you believe.
Philippians 2:12
Therefore, my beloved, as you have always obeyed, not as in my presence only, but now much more in my absence, work out your own salvation with fear and trembling;
So the harsh reality is that each of us will interpret scripture / tradition / signs / prophecy to determine what we believe is the will of God. And on Judgement Day, we will find out just how right or wrong we got it.
That is not entirely true. God would not leave us without a way to absolutely understand and follow His will for us is. And indeed He did: 2 Tim. 2:15. That is God’s pattern for us to follow if we want to be approved workmen who need not be ashamed when we stand before Him.
Catholicism teaches that a teacher of error suffers for the sins of students who sin through the error that they were taught.
So the worst murderer on the planet, the most foul pervert would suffer no punishment if he was taught that the murders were justified, or that perversion was a higher virtue.
Me, I am not into management.