Romans 15:27

They certainly were delighted to do it, and they really are under obligation to them, for if the heathen peoples have shared in their spiritual blessings, they ought to serve them in material blessings.

1 Corinthians 9:11

If we have sown the spiritual seed for you, is it too great for us to reap a material support from you?

Galatians 6:6

Those who are taught the truth should share all their goods with the man who teaches them.

Romans 11:17

If some of the branches have been broken off, and yet you, although you were wild olive suckers, have been grafted in among the native branches, and been made to share the rich sap of the native olive's root,

Treasury of Scripture Knowledge

Summary

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.

General references

Bible References

And

Romans 11:17
If some of the branches have been broken off, and yet you, although you were wild olive suckers, have been grafted in among the native branches, and been made to share the rich sap of the native olive's root,
1 Corinthians 9:11
If we have sown the spiritual seed for you, is it too great for us to reap a material support from you?
Galatians 6:6
Those who are taught the truth should share all their goods with the man who teaches them.
Philemon 1:19
I, Paul, write it with my own hand, I will pay it in full -- not to mention the fact that you owe me your very self besides.

General references

Romans 15:25
But just now I am on my way to Jerusalem to help God's people.
Galatians 6:6
Those who are taught the truth should share all their goods with the man who teaches them.