noun, noun which may take the genitive case particle 'no'
charge; assignment; responsibility
Refers to something one is in charge of or responsible for, such as a task, duty, or area of responsibility. Often used in work or organizational contexts.
He is in charge of the entire sales department.
This matter is my responsibility.
She is popular in the class she's in charge of.
I heard my assignment is changing starting next year.
We decided at the meeting who would be responsible for each area.
The new student became his responsibility.