Sanction is a synonym of Authorize. Approve is a type of Authorize. Approve is etymologically related to Improve. Compete requires Improve. 
you are likely to find Peasant in/at/on Village. Peasant is a type of Worker. Celebrity is a type of Worker. Celebrity is a synonym of Star. 
Sanction <--Synonym--> Authorize <--IsA-- Approve --EtymologicallyRelatedTo--> Improve <--HasPrerequisite-- Compete 
Village <--AtLocation-- Peasant --IsA--> Worker <--IsA-- Celebrity <--Synonym--> Star 