Delta State governor, Dr. Ifeanyi Okowa, on Friday charged Nigerians to imbibe the virtues of humility, honesty, diligence, and integrity in the discharge of their duties for enhanced productivity.Governor Okowa gave the charge during a funeral service for late elder statesman, Isaac Jemide, at St. Cyprian Catholic Church, Warri. Jemide, who died Sunday December 12,…