ANSWER:

Not even the khawarij would make this kufr!

What kind of Islam are you inventing? Who among the scholars of Isam had ever said that such sins are kufr?

Your attitude about Islam is very dangerous and would drive all those who know you away from Islam and make them hate Islam due to your ignorance. 

If a persons wedding was arranged by parents where there was free mixing. Can this be regarded as kufr? Some scholars quoted Nisa 4:140 and Luqman 31:6 from Quran as saying Allah’s verses are being denied and mocked. Because if groom and bride commited kufr by attending this gathering before consumating then it means that marriage is annulled?

Fiqh of Marriage, Marriage Contract | September 9, 2021 11:17 am
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Sheikh, the way many marriages take place in our country are against the sunnah, and in one of ur post u said that the marriage is not valid. So will the child be able to get the wealth of the father even if they dont follow the sunnah in marriage? I mean, in the society they think this marriage to be valid.
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I have been asking u about nikah in the sub cont.U said it is not valid.Does that mean everyone one here is living in zina?We have some real scholars here who have not objected to it because the wali gives his full consent.U said renew the marriage contract but i am 16 and cant tell anyone to do it.So can i stay quite about it and just make dua to allah to forgive us all& show us the right path?