1
general::
Phrase(s): look after someone or something
to take care of someone or something. • Please look after my little boy. • Will you look after my cat while I’m away? • Do you want me to look after your car?
McGrawhill's American Idioms And Phrasal Verbs
2
general::
Also, look out for;see after. Take care of, attend to the safety or well-being of, as in Please look after your little brother, or We left Jane to look out for the children, or Please see after the luggage. The first expression dates from the second half of the 1300s, the second from the mid-1900s, and the third from the early 1700s.
American Heritage Idioms