you are likely to find Booth in/at/on Confession. you are likely to find Sin in/at/on Confession. Sin is related to Error. Error is a synonym of Stumble. 
Citizen is the opposite of Foreigner. Foreigner is a type of Traveler. 
Booth --AtLocation--> Confession <--AtLocation-- Sin <--RelatedTo--> Error <--Synonym--> Stumble 
Citizen <--Antonym--> Foreigner --IsA--> Traveler 