Azubuike Ishiekwene is the editor-in-chief at Leadership Media Group.

When Jacinda Ardern said politicians are human and should therefore know when it's time to quit, one was glad, for her sake, that her audience was far from Africa. A number of our leaders would have laughed her off.

A leader like Jacinda Ardern of New Zealand doesn't come in tens. Not even in twos. And so, it was such a bright day on 26 October 2017, when she took office as New Zealand's Prime Minister.

She was 37 years old and also the youngest head of government at the time. What's there not to love?

But now, more than five years later, she has announced the withdrawal of that special light as she resigns the position, stating that she "no longer had enough in the tank" to carry on in office.

"I'm leaving, because with such a privileged role comes responsibility - the responsibility to know when you are the right person to lead and also when you are not. I know what this job takes. And I know that I no longer have enough in the tank to do it justice. It's that simple," she said.

Leaving office citing...