Can a BAC fall away and then return to the faith?

1 John 1 NKJV
7 But if we walk in the light as He is in the light, we have fellowship with
one another, and the blood of Jesus Christ His Son cleanses us from all sin.
8 If we say that we have no sin, we deceive ourselves, and the truth is not in us.
9 If we confess our sins, He is faithful and just
to forgive us our sins and to cleanse us from all unrighteousness.
10 If we say that we have not sinned, we make Him a liar, and His word is not in us.

In view of this 1 John invitation for believers to repent of their sins …
so they will be cleansed from all unrighteousness with the precious blood of Jesus,
I am wondering about the passages below …

Hebrews 6 NKJV
4 For it is impossible for those who were once enlightened, and have
tasted the heavenly gift, and have become partakers of the Holy Spirit,
5 and have tasted the good word of God and the powers of the age to come,
6 if they fall away, to renew them again to repentance, since they crucify again
for themselves the Son of God, and put Him to an open shame.
7 For the earth which drinks in the rain that often comes upon it, and bears
herbs useful for those by whom it is cultivated, receives blessing from God;
8 but if it bears thorns and briers, it is rejected and near to being cursed,
whose end is to be burned.
IMO, reasonable people agree that this is speaking of BACs …
because only BACs have repented and become partakers of the Holy Spirit.
“… such people can deliberately and knowingly abandon their faith.
And if they do that – if they fall away – there is no hope for them.
They cannot be brought back to repentance. What does it mean here to fall away?
… to reject God’s light after having seen it; to reject Christ after having received
Christ’s gifts and blessings.”
“But God will not touch them; He will not bring to repentance those who
have tasted His blessings and then deliberately and knowingly rejected Him.” (*)

2 Peter 2 NKJV
20 For if, after they have escaped the pollutions of the world through the knowledge
of the Lord and Savior Jesus Christ, they are again entangled in them and overcome,
the latter end is worse for them than the beginning.
21 For it would have been better for them not to have known the way of righteousness,
than having known it, to turn from the holy commandment delivered to them.
22 But it has happened to them according to the true proverb: “A dog returns
to his own vomit,” and, “a sow, having washed, to her wallowing in the mire.”
IMO, reasonable people agree that this is speaking of BACs …
because they escaped the pollutions (sins) of the world through the Lord Jesus.
This passage is warning about false teachers who are corrupting new BACs.
“Judgment wil be especially severe for those who have once known the way
of righteousness, but then turn their backs on the sacred command –
that is, Christ’s commandments (Heb 3:12-14, Heb 6:4-6, Heb 10:26-29).
… a man can be cleaned momentarily from his sin; but if he doesn’t receive
a new spiritual nature, he will soon go back to his sin … Their inner nature has
not been transformed; they cannot fully free themselves from their old ways.” (*)
The result … their end IS worse than their end WAS before being born-again.
I.E. it would have been better for them never to have been born-again.

Hebrews 10 NKJV
26 For if we sin willfully after we have received the knowledge of the truth,
there no longer remains a sacrifice for sins,
27 but a certain fearful expectation of judgment,
and fiery indignation which will devour the adversaries.
28 Anyone who has rejected Moses’ law dies without mercy
on the testimony of two or three witnesses.
29 Of how much worse punishment, do you suppose, will he be thought worthy
who has trampled the Son of God underfoot, counted the blood of the covenant
by which he was sanctified a common thing, and insulted the Spirit of grace?
30 For we know Him who said, “Vengeance is Mine, I will repay,” says the Lord.
And again, “The LORD will judge His people.”
31 It is a fearful thing to fall into the hands of the living God.
IMO, reasonable people agree that this is speaking of BACs …
because they have received the knowledge of the truth,
and they have taken advantage of Jesus sacrifice for their sins.
“… the meaning of the Greek text is “keep on sinning”. The writer is talking
about a person who knowingly continues in sin without repentance.”
“If we do all this (in v.29), we have, in fact, completely given up our faith
in Christ. And if we give up our faith in Christ, our salvation is lost.”
“If after having ‘accepted’ Christ we then reject Him, we shall receive
not only physical death but also spiritual death for all eternity.”
“This verse (v.31) … is written primarily for those who first ‘believe’ and
then later fall away … God shows no love or mercy to those who deliberately
keep sinning against Him and who persist in rejecting His Son Jesus.” (*)

In view of the 3 passages above, 1 John 1:7-10 must be referring to
committing small sins and/or wandering briefly out of God’s will.

(*) The Applied New Testament Commentary, Thomas Hale, Chariot Victor Publishing[/FONT]
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Many thanks for your encouragement ... God's best to you and yours, also!
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Bonkers City!

This time, instead of basically only using Scripture ...
I included a lot of commentary written by a Spirit-filled missionary.

And, predictably, Stevie Wonder produces this wonder of a statement.
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Are these situations of the same gravity as those in Hebrews?
Or, are you calling out the Hebrews verses as bogus because they don't correlate with the rest of Scripture?
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