Fight is related to Military. Military is related to Respect. Respect is related to Mutual. Mutual is similar to Shared. 
Afraid is the opposite of Brave. Brave is related to Dare. Dare is related to Game. 
Fight <--RelatedTo--> Military <--RelatedTo--> Respect <--RelatedTo--> Mutual <--SimilarTo--> Shared 
Afraid <--Antonym--> Brave <--RelatedTo--> Dare <--RelatedTo--> Game 