Arrangement is a synonym of Settlement. Settlement is related to Group. Group is related to Peer. Peer is a type of Person. 
Category is related to Class. Class is related to Peasant. Peasant is related to Village. 
Arrangement <--Synonym--> Settlement <--RelatedTo--> Group <--RelatedTo--> Peer --IsA--> Person 
Category <--RelatedTo--> Class <--RelatedTo--> Peasant <--RelatedTo--> Village 