devoted himself/herself to
She devoted herself to him.
Así la princesa se dedicó a hacer una noble dama de sí.
And so, the princess set about making a noble lady of herself.
— El cuento de la Princesa Kaguya (2013)
Después de su retiro, Teresa se dedicó a cuidar a los huérfanos.
After her retirement, Teresa dedicated herself to caring for orphans.
He devoted himself to reading books.
La enfermera ciega se dedicó a cuidar a los ancianos.
The blind nurse dedicated herself to caring for the elderly.
Ella se dedicó a las tareas del hogar.
She devoted herself to household chores.