watch over
US /wɑːtʃ ˈoʊvər/
UK /wɑːtʃ ˈoʊvər/

1.
to guard, protect, or supervise someone or something
:
•
Can you watch over my bags while I go to the restroom?
•
The older sister always watches over her younger siblings.
to guard, protect, or supervise someone or something