Outer is related to Skin. Skin is related to Body. Body is related to Physical. Physical is the opposite of Mental. 
Major is related to Rank. Rank is related to Champion. Champion is a synonym of Defend. Defend is a synonym of Maintain. 
Outer <--RelatedTo--> Skin <--RelatedTo--> Body <--RelatedTo--> Physical <--Antonym--> Mental 
Major <--RelatedTo--> Rank <--RelatedTo--> Champion <--Synonym--> Defend <--Synonym--> Maintain 