Romans 15:27

Yes, they were glad to do so; and indeed it is a duty which they owe to them. For the Gentile converts who have shared their spiritual blessings are in duty bound to minister to them in the things of this world.

1 Corinthians 9:11

Since we, then, sowed spiritual seed for you, is it too much that we should reap from you an earthly harvest?

Galatians 6:6

He, however, who is being instructed in the Message ought always to share his blessings with the man who instructs him.

Romans 11:17

Some, however, of the branches were broken off, and you, who were only a wild olive, were grafted in among them, and came to share with them the root which is the source of the richness of the cultivated olive.

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
Some, however, of the branches were broken off, and you, who were only a wild olive, were grafted in among them, and came to share with them the root which is the source of the richness of the cultivated olive.
1 Corinthians 9:11
Since we, then, sowed spiritual seed for you, is it too much that we should reap from you an earthly harvest?
Galatians 6:6
He, however, who is being instructed in the Message ought always to share his blessings with the man who instructs him.
Philemon 1:19
I, Paul, put my own hand to it--I will repay you myself. I say nothing about your owing me your very self.

General references

Romans 15:25
Just now, however, I am on my way to Jerusalem, to take help to Christ's People there.
Galatians 6:6
He, however, who is being instructed in the Message ought always to share his blessings with the man who instructs him.