Champion is a synonym of Supporter. Supporter is a synonym of Patron. Patron is related to Customer. 
Camp is related to Travel. Stage is a type of Travel. Stage is related to Curtain. 
Champion <--Synonym--> Supporter <--Synonym--> Patron <--RelatedTo--> Customer 
Camp <--RelatedTo--> Travel <--IsA-- Stage <--RelatedTo--> Curtain 