to defend yourself, to protect yourself
Do you have anything to defend yourself with?
Vos no estás en condiciones de defenderte.
You are not in a position to defend yourself.
Sabes defenderte sola, no necesitas que nadie pelee tus batallas.
You know how to defend yourself; you don't need anyone to fight your battles.
¿Tuviste que defenderte de él?
Did you have to defend yourself against him?
— Una mujer fantástica (2017)