Mr Abubakar, a former ally of Mr Tinubu, joined the African Democratic Congress (ADC) coalition in 2025.
Mr Jonathan lost the 2015 presidential election to former president Muhammadu Buhari.
The African Democratic Congress has expelled Nafiu Bala and others from the party, citing alleged anti-party activities.
He said the president is still repeating the same slogan three years into his tenure without delivering on his promises.
Mr Randa said his decision followed the prolonged leadership crisis within the PDP.
“If opposition is silenced, democracy becomes a coronation, not a contest,” the group said.
Mr Mark is seeking an order staying the execution of the March 12 judgment of the Court of Appeal.
He said the NBA’s position affirms ADC’s long-held stance that the law is being violated.
There are a few countries where lawyers and courts are as gifted in twisting judicial pronouncements as those in Nigeria.
The ADC spokesperson said the party’s new members joined between April 1 and 5.
