Ms Okereke added that the gains of democracy would only be sustained if citizens worked together to build the nation.
The National Rescue Movement has described the Federal High Court ruling on its leadership as a landmark victory for social justice and the rule of law.
Some political parties had sought the order from the court, naming president Buhari, CBN, Godwin Emefiele and 27 banks as defendants.
The organisation lamented how politicians have continued to prioritise vote-buying instead of embracing issue-based campaigns, ahead of the poll.
It is not immediately clear how the opposition would challenge the results.
