[editor-surveyor]

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>> “Perhaps I am mistaken and you actually believe a person can be saved, lose that salvation then get it again somehow?” <<

Every one of the apostles told us that no one is saved until the Day of Trumpets.

If you mean fall off the path to that salvation, Paul and Peter made it plain that it happens all the time. Hebrews 6 and 2Peter 2 describe exactly that in depressing detail.
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[MHGinTN]

“Every one of the apostles told us that no one is saved until the Day of Trumpets.” Was Paul an Apostle?

[ealgeone]

Ephesians 1:13-14.....read it in the Greek.