1st; I attempted to shed some historical light on the first question in the OP: QUOTE: """What is the House of Israel"""?
2ndly; Your stated opinion: QUOTE """God denounced the nation of Israel due to their unfaithfulness and gave it to the Gentiles""". This notion that God has given gentiles, Israels promises, better yet THEIR ETERNAL COVENANT PROMISES. Is scripturally baseless!
3rdly; On the elect: QUOTE """I have not done an in-depth study on this concept""". Your unscriptural statement as to who the elect are proves, you haven't studied this at all. Every person that by/thru FAITH accepted/trusted God & his promise of a Messiah/Redeemer is God's elect. Example: 400 plus years before God sets apart/chooses a Nation of people (Israel). Abram/Abraham thru FAITH is a chosen/elect.
Abraham names the place: Jehovahjireh
Gen 22:14 And Abraham called the name of that place Jehovahjireh: as it is said to this day, In the mount of the LORD it shall be seen.
(NOTE: Jehovahjireh means = The Lord Will Provide. Ok, PROVIDE what? A SACRIFICE! The promised seed/Christ is = The SACRIFICE/Atonement!)
Hebrews adds additional context here:
Hebrews 11:19 Accounting (believing) that God was able to raise him up, even from the dead;
(NOTE: Abraham BELIEVED God could raise Isaac from the grave. We the Spiritually Indwelt placed our FAITH/BELIEVE Christ death is a sacrificial atonement & BELIEVE Jesus ROSE on day 3)
In the OP you posted this; QUOTE: """God instructed his apostles to go preach to the "lost sheep" of "the house of Israel, which is Jacob (God's elect)""". This statement makes NO sense! Are Jacobs offspring the ELECT? Or are some of them LOST?
You post Heb 8:10 to build a case for some of your unscriptural bloviation. If you post Heb 8:8 BOTH houses are mentioned. That alone destroys your commentary. Not to mention the house of Judah is also part of Jacob. GEEZZZ!
Your OP states; QUOTE: """but they do not know that the "kingdom of heaven (Christ's church) is at hand""". I'll explain your ERROR here. In my reply to your baseless observation of my spiritual awareness you posted in post #34 within this thread.
Kingdom of God (SPIRITUAL) vs Kingdom of Heaven (PHYSICAL)
Throughout scripture two kingdoms: physical & spiritual are revealed.
Cain physical, Abel spiritual
Ishmael physical, Isaac spiritual (See Gal 4:22-31)
Esau physical, Jacob spiritual
Israel physical, Body of Christ/Church spiritual
Adam physical, Christ Spiritual (1 Cor 15:45)
1 Corinthians 15:45 And so it is written, The first man Adam was made a living soul; the last Adam (Jesus Christ) was made a quickening spirit
Jesus preached the Gospel of the kingdom, yet spoke about both. KJV has reference to "Kingdom of Heaven" 31 times in Matt. I found reference to "Kingdom of God" 45 time in the 4 gospels.
If Jewish leadership had excepted their Messiah. They could have received both. And one day soon, they will again have the opportunity.
The Kingdom of God is SPIRITUAL! Not physical:
Lk 17:21 (B) Jesus said; Behold, "the kingdom of God is within you"
(NOTE: This is a spirit promise that began in Acts 2:4. At Pentecost believers are INDWELT via the outpouring of the Holy Spirit "the kingdom of God is WITHIN YOU")
Mat 6:33 But seek ye first the kingdom of God, and his righteousness; and all these things shall be added unto you
(NOTE: Righteous is abtained thru faith in Christ's sin atoning sacrifice & sealed by the indewlling Holy Spirit)
Mk 1:15 saying, The time is fulfilled & the kingdom of God is at hand: repent ye & believe the gospel
(NOTE: good news I.E. the long promised Messiah/Christ/God's Anointed one has ARRIVED. Turn to God & place your faith in His Christ)
Mk 4:26 And he said, So is the kingdom of God, as if a man should cast seed into the ground;
(NOTE: The sower is Christ (Lk 8:5), the seed is Gods Word (Lk 8:11) and the soil is our hearts Lk 8:15)
Lk 12:31 But rather seek ye the kingdom of God; and all these things shall be added unto you.
Lk 13:29 And they shall come from the east, and from the west, and from the north, and from the south, and shall sit down in the kingdom of God.
Jn 3:3 Jesus answered and said unto him, Verily, verily, I say unto thee, Except a man be born again, he cannot see the kingdom of God.
(NOTE: Born again = New spiritual birth)
Jn 3:5 Jesus answered, Verily, verily, I say unto thee, Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God.
(NOTE: Born of water/flesh first then of spirit thru Faith. The need to be born of flesh 1st rules out salvation for fallen angels)
Rom 14:17 For the kingdom of God is not meat and drink; but righteousness, and peace, and joy in the Holy Ghost.
(NOTE: The Holy Spirit is what? SPIRITUAL!)
1Cor 4:20 For the kingdom of God is not in word, but in power.
(NOTE: The Kingdom of God is NOT physical! It is Spiritual & comes in resurrection POWER)
Lk 17:21 (B) Jesus said; Behold, "the kingdom of God is within you"
(NOTE: The Kingdom of God": is WITHIN YOU/SPIRITUAL: The Church = Christ in you: "The Body of Christ"!
The point in posting the following 4 verses is: In Revelation at the end of the physical Kingdom of Heaven there is a rebellion (Rev 20:8-9) No people like these ever make it into the SPIRITUAL Kingdom of God.
1 Co 6:9 Know ye not that the unrighteous shall not inherit the kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with mankind,
1 Co 6:10 Nor thieves, nor covetous, nor drunkards, nor revilers, nor extortioners, shall inherit the kingdom of God.
1 Co 15:50 Now this I say, brethren, that flesh and blood cannot inherit the kingdom of God; neither doth corruption inherit incorruption.
Gal 5:21 Envyings, murders, drunkenness, revellings, and such like: of the which I tell you before, as I have also told you in time past, that they which do such things shall not inherit the kingdom of God.
The Kingdom of Heaven is PHYSICAL! It is the fulfillment of Gods pomise to Abraham (Gen 12:2-3, 13:14, 15:17-18)
The physical land covenant God makes with Abraham & Israel is EVERLASTING:
God gives the exact boundaries of the promised land in Num 34:1-15 (also: Deut 1:8, Ex 2:24, Ex 6:4, 8 & Ps 105:8-11)
The Gospel of the Kingdom message begins with John the Baptist Matt 3:2-6 & Mk 1:4-5
After John's arrest, Jesus himself takes up the kingdom message. Matt 4:12-17
Matt 4:23 Jesus went about all Galilee, teaching in their synagogues, "preaching the gospel of the kingdom"
The promised Kingdom reign of Christ could have begun, had the Jewish leadership accepted God's chosen Messiah. Jewish leadership rejected Messiah & had him killed. Gods promise of a physical King & physical Kingdom will happen at Christs soon return.
Zech 9:14 & 15, 12:10–14, 13:1, Jer 30:18, 32:44, 33:11, 26, Joel 3:1, Amos 9:11–15, Rev 20:6.
The promised physical kingdom reign of Gods chosen Messiah was only postponed. Soon The King will return, set-up and physically rule from Jerusalem, An OT promise to Israel's Fathers/Abraham.
ForestGreenCook find additional help to your FALSE CLAIMS that God has dumped Israel
https://christianchat.com/bible-dis...ael-is-it-biblical.181623/page-4#post-3802184