Is There anything wrong with Aisha Alhassan andBorno State first lady sitting while Chibok parents are squatting on the floor?

Minister of Women Affairs, Aisha Alhassan and Borno State first lady, Nana Shettima are pictured during her visit to the state to meet with parents of the abducted Chibok schoolgirls.
Lawyer and activist @ammood shared a photo from the meeting, describing it as another evidence of Northern Nigeria class division.