The term is used to imply the existence of common duties and obligations between them.

He has heard your pleas and has answered the call of our common human duty!

The common duties collected by the two jurisdictions are pooled.

She took over many common duties of the government and helped her husband in many official matters.

Bound by common interests in inheritance and the common duties to their parents.

It is our common duty to protect this right at all times.

It is our common duty to raise awareness about women's rights in Europe.

Some of their common duties could include the following:

I believe it is our common duty to recognize these young people who perished before their time.

Floella is a visitor and would be owed the common duty of care.