দায়িত্ব নেওয়া

No, it's used for family, social duties, and even taking care of pets or objects.

'Dayitto' is responsibility (often specific tasks), while 'Kortobbo' is duty (often moral or general). You 'take' (neoa) a Dayitto, but you 'perform' (palon kora) a Kortobbo.

Yes, 'অপরাধের দায়িত্ব নেওয়া' means admitting to a crime, though 'দোষ স্বীকার করা' is more common.

You can say 'আমি দায়িত্ব নিতে চাই না' (Ami dayitto nite chai na).

It is neutral. It works in an office and at home.

The opposite is 'দায়িত্ব এড়িয়ে চলা' (avoiding responsibility).

No, that is a common mistake. Always use 'নেওয়া' (to take).

Use 'নেব' (nebo) for 'I will take'. Example: 'আমি দায়িত্ব নেব।'

In very casual speech, people might just say 'আমি দেখব' (I'll see/handle it).

Not necessarily. It can be positive (taking a promotion) or negative (taking the blame).

'Day-bhar' is a more formal and heavy version of 'Dayitto', often used in politics.

Yes, 'বাচ্চার দায়িত্ব নেওয়া' means taking responsibility for a child.