On (one's) shoulders phrase figurative meaning
One's own duty or obligation.
Paying debt has been on her shoulders ever since her parents died.
That accident is our fault. Why does it fall on my shoulders?
After her husband's death, she carried raising children on her shoulders.
Being looked after or protected by someone
It is used to tell someone that it is time for them to take action or make a decision.
If something falls (squarely) on someone’s shoulders, it is the responsibility that one have to take.
To give someone a particular responsibility or duty
This metaphoric use of shoulders as the burden-bearing portion of the body dates back to the late 1300s.
Bad people but they are still rich or wealthy.
Fairy tales have a lot of the devil looks after his own but in the end they are still punished.