David Mark & Atiku Abubakar

David Mark: David Mark's leadership of the Nigeria — African Democratic Congress is being challenged in court, leading to legal proceedings and an indefinite adjournment of the case.

Atiku Abubakar: Atiku Abubakar is mentioned as a key political figure potentially involved in the opposition coalition, whose political realignments could be affected by the Nigeria — African Democratic Congress's internal issues.

David Mark: David Mark, former Senate President, was appointed as the interim national chairman of the Nigeria — African Democratic Congress.

Atiku Abubakar: Atiku Abubakar, a former Vice President, resigned from the Nigeria — People s Democratic Party and aligned with the Nigeria — African Democratic Congress coalition.

David Mark: David Mark, the ADC National Chairman, was explicitly stated by Peter Obi not to be the reason for his departure, indicating no personal grievance.

Atiku Abubakar: Atiku Abubakar, a former Vice President, was also explicitly stated by Peter Obi not to be the reason for his departure, indicating no personal grievance.

David Mark: David Mark, the Nigeria — African Democratic Congress (ADC) National Chairman, was present at an earlier Abuja protest, and the current protests demand the restoration of his leadership.