Since you don't travel to Africa every year, or even every month, you should visit Elizabetville.

here is a well-known story about the Rebbe Maharash making a special trip to save one Jew. In your case, there are several Jews, and it might also help with fundraising. By seeking Hashem's support, you will become more of an agent of Hashem. https://www.torahrecordings.com/rebbe/igroskodesh/011/011/3718