to discharge, to dismiss, to fire, to sack, to retrench, to ax, to give the sack {ww.} renvoyer
congédier
débaucher
destituer
licencier
First of all, we must dismiss him.
Tout d'abord nous devons le congédier.
First of all, we must dismiss the cook.
D'abord nous devons renvoyer le cuisinier.