The Tagalog word for 'to take care' is ingat.
Ingat ka.
Take care.
Ikaw rin.
You too.
Mag-ingat ka.
Take care.
Ingat ka, ha?
Take care, okay?
Ingatan mo ito.
Take care of this.
Sabihin mo sa kanya mag-ingat siya.
Tell him/her to take care.
Kailangan mong mag-ingat.
You need to take care.
Mag-ingat ka daw.
He/She/They said for you to take care.