en_tn/1co/09/15.md

these rights

"these things that I deserve"

so something might be done for me

This can be stated in active form. Alternate translation: "so you will do something for me" (See: rc://en/ta/man/jit/figs-activepassive)

It would be better for me to die than—No one will make my boast empty!

Paul seems to have started a new sentence before finishing the first one. Some modern translations read, "It would be better for me to die than to have someone deprive me of this boast."

It would be better for me to

"I would rather." Paul is speaking of what he desires, not necessarily of what God thinks is best.

make my boast empty

"take away this opportunity I have to boast" or "make it so I have nothing to boast about"