Given is related to Interest. Interest is a synonym of Edge. Edge is a synonym of Advantage. 
Casualty is a type of Victim. Casual is derived from Casualty. Casual is the opposite of Necessary. Necessary is related to Have. 
Given <--RelatedTo--> Interest <--Synonym--> Edge <--Synonym--> Advantage 
Victim <--IsA-- Casualty <--DerivedFrom-- Casual <--Antonym--> Necessary <--RelatedTo--> Have 