Protective is similar to Careful. Careful is similar to Troubled. 
Account is a type of Relationship. Relationship is a type of State. State is related to Alone. Alone is related to Isolation. 
Protective <--SimilarTo--> Careful <--SimilarTo--> Troubled 
Account --IsA--> Relationship --IsA--> State <--RelatedTo--> Alone <--RelatedTo--> Isolation 