You have yet to respond to 801. So, since you didn’t say you mean those who are already believers, then you must mean those who are not yet believers.
Do you believe in loss of salvation? I don’t.
Do I believe that Christians can get led astray? I do.
What do I think is the result?
“1 Co 3: 10By the grace God has given me, I laid a foundation as a wise builder, and someone else is building on it. But each one should build with care. 11For no one can lay any foundation other than the one already laid, which is Jesus Christ. 12If anyone builds on this foundation using gold, silver, costly stones, wood, hay or straw, 13their work will be shown for what it is, because the Day will bring it to light. It will be revealed with fire, and the fire will test the quality of each person’s work. 14If what has been built survives, the builder will receive a reward. 15If it is burned up, the builder will suffer loss but yet will be saved—even though only as one escaping through the flames.”
Then I will respond here. NO, I don't think Mormons and homosexuals were included in Jesus prayer of John 17:21.
1 Corinthians 6:9 Or do you not know that the unrighteous will not inherit the kingdom of God? Do not be deceived; neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor homosexuals,