translate English to French: Some form proper pairs of contrast - for instance, there is an individualist who has no illusions as regards the world and mankind, opposed by the social type. Or there is the conservative, fatherly type opposed by the youthful spirit, representing the typical conflict of irresponsible and overly responsible.
Il décrit les deux, parce que nous ne savons pas quel personnage est prédominant dans la vie ou dans la période de vie de la personne concernée.