You can blame duty all you want, but you still have a responsibility as well, no matter what your duty dictates.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
Japanese salarymen tend to hate taking responsibility.
When the clock struck seven, I awoke from a terrible dream that Koichi was forcing me to take responsibility for all of my WaniKani errors.
Why don't we reserve judgement on whoever's responsibility it was, and just start by making up for lost time?