How does the Apostle Paul's appeal to Philemon regarding Onesimus challenge the social norms and power dynamics of the Roman Empire in the 1st century?

A Paul's appeal primarily aims to reinforce Philemon's authority as a slave owner, emphasizing the importance of maintaining social order. B Paul subtly encourages Onesimus to seek legal emancipation through Roman courts, advocating for the abolition of slavery. C Paul appeals to Philemon to receive Onesimus back not as a slave but as a brother in Christ, subverting the master-slave relationship and highlighting equality in the Christian community. D Paul uses the situation to extract financial support from Philemon for his missionary endeavors, exploiting Onesimus's position for personal gain.