Please show us ONE verse that says genuine believrs need to seperate from each other, EXCEPT for one contiuning in sin and as a church discipline?
Other than that, NO passage says real Christians seperate on non essential doctrines! as We all do have core "like faith and practices!"
Can two walk together, except they be agreed? (Amos 3:3)
Now I beseech you, brethren, mark them which cause divisions and offences
contrary to the doctrine which ye have learned; and avoid them. (Romans 16:17)
Now we command you, brethren, in the name of our Lord Jesus Christ, that ye withdraw yourselves from every brother that walketh disorderly, and not after the tradition which he received of us. (2 Thessalonians 3:6)
Wherefore come out from among them, and be ye separate, saith the Lord, and touch not the unclean thing; and I will receive you, (2 Corinthians 6:17)