It hath pleased them verily; and their debtors they are. For if the Gentiles have been made partakers of their spiritual things, their duty is also to minister unto them in carnal things. For if the Gentiles have been made partakers, etc. - It was through and by means of the Jews that the Gentiles were brought to the knowledge of God and the Gospel of Christ. These were the spiritual things which they had received; and the pecuniary contribution was the carnal things which the Gentiles were now returning.
Related Commentaries of Romans 15:27
Romans 15:27
27 It hath pleased them verily; and their debtors they are. For if the Gentiles have been made partakers of their spiritual things, their duty is also to minister unto them in carnal things.