défendre
You stand up for him as if you cherished the memory of him.
Tu le défends comme si tu chérissais son souvenir.
— The Irony of Fate, or Enjoy Your Bath! (1976)
He needs to learn how to stand up for himself.
Il doit apprendre à se défendre.
We must always stand up for our rights.
Nous devons toujours défendre nos droits.
Stand up for what you believe in.
Défendez vos convictions.
Good for him, he knows how to stand up for himself.
Tant mieux pour lui, il sait se défendre.
— Little Vera (1988)