Indirect Object Pronouns (lui, leur)

lui parler

to speak to him/her

leur parler

to speak to them

lui dire

to tell / say to him/her

lui donner

to give to him/her

leur écrire

to write to them

lui téléphoner

to call / phone him/her

leur envoyer

to send to them

lui répondre

to answer / reply to him/her