And brought them to the magistrates, saying, These men, being Jews, do exceedingly trouble our city, And teach customs, which are not lawful for us to receive, neither to observe, being Romans. - Act 16:20-21 KJV
Neither pray I for these alone, but for them also which shall believe on me through their word; - Jhn 17:20 KJV
The Apostles of the faith whose doctrine we all assumedly subscribe to were teaching customs that oppose the laws of Rome.
What laws of Rome are against the customs that were being taught by the Apostles ?
Examine yourselves, whether ye be in the faith; prove your own selves. Know ye not your own selves, how that Jesus Christ is in you, except ye be reprobates? - 2Co 13:5 KJV
Beloved, when I gave all diligence to write unto you of the common salvation, it was needful for me to write unto you, and exhort you that ye should earnestly contend for the faith which was once delivered unto the saints. - Jde 1:3 KJV
When all is said and done are YOU a Romanizer ?