KIMANA SANCTUARY, Kenya — Kenya’s most identifiable community is abandoning hunting lions with spears for javelin throwing at a biannual event called the Maasai Olympics. But Maasai elders like Mingati Samanya, 69, are charting a new path for the community’s young warriors, also known as morans. Samanya is now among dozens of elders who are encouraging Maasai morans to pursue …