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Yeshua and the apostles never mentioned any church.
Yeshua told his disciples that he would ‘expand’ his assembly (congregation) on the ‘rock’ of their expression of faith that he was the true Messiah, the holy one of God.
The churches do not belong to Yeshua, they are organizations of men, and no two of them even hold the same things as ‘truths.’
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Perhaps you didn’t realize that the word translated “church” or “assembly” is the same word used to describe the congregation of Israel in the wilderness, and their assemblies at the feasts, etc.
When Jesus said “I will build My church”, He wasn’t talking about a building with a spire and a cross on top, and a pulpit and pews inside. He was talking about a group of people - HIS congregation of people, as distinguished from other, previous ones such as in Exodus 12:6 or Isaiah 1:13.
We find Jesus fulfilling that prediction in Acts 2, as He adds to His assembly/church/congregation those who are saved.
Given all the abuse and misuse of the word “church” in popular speech today, I can understand your reluctance to use it. But like “works”, what’s important is that we understand what the Bible authors meant when they used it, and use these words in the same way. Wouldn’t you agree?