responsibility

Noun

A responsibility is any action which somebody trusts or expects that another person will do. Responsibilities are normally given or taken. <> alhaki, hakki, azzimma; naunaya.
- Synonyms: charge, burden and obligation
You’ll need a strong constitution, because you’ll likely be searching for someone to take responsibility for the problem — [1] <> Kana bukatar kafa hujja da dokoki saboda akwai yiwuwar zaka yi ta neman wanda zai dauki alhakin matsalar — [2]

The phrase it is your responsibility (to) is another way to say you should or you must.