Following translation are missing : 

1/ Button "Ajouter"

2/ 

3/ 

4/ In "Filters list", if search is empty, following message is displayed : 

=> Replace first sentence by  : "Your search does not match anyone"

(Be careful, do not put "." at the end of the sentence). 

5/ When clicking on "Add" button, il search is empty, following message is displayed : 

=> Replace it by  : "Your search does not match anyone"

(Be careful, do not put "." at the end of the sentence).