Fault is a type of Serve. Fault is a synonym of Error. 
Strange is a synonym of Foreign. Foreign is a different concept from Local. Local is a different concept from Foreigner. Foreigner is a type of Person. 
Serve <--IsA-- Fault <--Synonym--> Error 
Strange <--Synonym--> Foreign <--DistinctFrom--> Local <--DistinctFrom--> Foreigner --IsA--> Person 