This is all supported by your voluntary donations. The apostle Paul provided a principle to follow when considering donations.
إِنَّ دَعْمَ مَصَالِحِ ٱلْمَلَكُوتِ بِحَاجَةٍ إِلَى مَبَالِغَ ضَخْمَةٍ مِنَ ٱلْأَمْوَالِ .‏