What is corruption to Atiku Abubakar?

Here is the moment Kadaria Ahmed asked Atiku Abubakar to define ‘Corruption’ during his appearance on “The Candidates”.

Atiku Abubakar gave his own definition of ‘corruption’.

Then the moderator, Kadaria Ahmed, asked him if he thinks he is corrupt and also questioned him about how he acquired his company while he was a customs officer.. …

From Atiku’s definition, seems to have accused himself of being corrupt.