Dignity is a type of Pride. Pride is related to National. National is the opposite of Stranger. 
Friendship is related to Need. Need is related to Emotion. Pleasure is a type of Emotion. Pleasure is related to Art. 
Dignity --IsA--> Pride <--RelatedTo--> National <--Antonym--> Stranger 
Friendship <--RelatedTo--> Need <--RelatedTo--> Emotion <--IsA-- Pleasure <--RelatedTo--> Art 