Politician is the opposite of Elect. Elect is related to Politics. Politics is a synonym of Government. Government is related to Treaty. 
Partner is a type of Person. Editor is a type of Person. Editor is a type of Worker. Artist is a type of Worker. 
Politician <--Antonym--> Elect <--RelatedTo--> Politics <--Synonym--> Government <--RelatedTo--> Treaty 
Partner --IsA--> Person <--IsA-- Editor --IsA--> Worker <--IsA-- Artist 