To help you provide funds for "Leo Sir" in South Africa, you need to provide more specific information to identify the correct individual and cause. "Leo" can refer to many individuals in various contexts, from a private citizen needing medical aid to a conservation project like LEO Africa or Leo African Bursary, or even an animal needing care. Please clarify the full name of the person or the specific organization or cause to find an accurate and reliable way to send help.