run around after
US /rʌn əˈraʊnd ˈæf.tər/
UK /rʌn əˈraʊnd ˈæf.tər/

1.
to spend a lot of time and effort doing things for someone, especially when it is unnecessary or unappreciated
:
•
I'm tired of having to run around after my kids all day.
•
She's always running around after her elderly parents.