Moral is related to Ethical. Ethical is related to Right. Right is a synonym of Proper. 
Member is related to Private. Private is the opposite of Major. Major is similar to Senior. 
Moral <--RelatedTo--> Ethical <--RelatedTo--> Right <--Synonym--> Proper 
Member <--RelatedTo--> Private <--Antonym--> Major <--SimilarTo--> Senior 