What is the meaning of John 10:1?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

“Truly, truly, I tell you, whoever does not enter the sheepfold by the gate, but climbs in some other way, is a thief and a robber.

Berean Standard Bible (BSB)

“Most certainly, I tell you, one who doesn’t enter by the door into the sheep fold, but climbs up some other way, the same is a thief and a robber.

World English Bible (WEB)

Verily{G281}, verily{G281}, I say{G3004}{(G5719)} unto you{G5213}, He that entereth{G1525}{(G5740)} not{G3361} by{G1223} the door{G2374} into{G1519} the sheepfold{G4263}{G833}, but{G235} climbeth up{G305}{(G5723)} some other way{G237}, the same{G1565} is{G2076}{(G5748)} a thief{G2812} and{G2532} a robber{G3027}.

Strong's King James

(1) Amen, amen I tell you, the one not entering by the door into the sheepfold (Palace courtyard) rather climbing up some other way, he's a thief, a bandit!

The F.O.G*

[1] Jesus continued His teaching with profound authority: "I tell you the absolute truth: anyone who doesn't enter the sheepfold through the gate but climbs in another way is nothing but a thief and a robber, attempting to steal what isn't theirs."

The F.O.G Paraphrase

‘Verily, verily, I say to you, He who is not entering through the door to the fold of the sheep, but is going up from another side, that one is a thief and a robber;

Young's Literal Translation