[VOA] Yaounde, Cameroon -- Supporters of Africa's second-longest serving leader, Cameroon's 88-year-old President Paul Biya, are celebrating his 39 years in office November 6. Biya, who has been Cameroon's president since 1982, is rarely seen in public these days. Meanwhile Biya's opponents are saying renewed calls for the octogenarian to run for president in 2025 cannot be taken seriously.