Delight is related to Emotion. Willingness is a type of Emotion. Willingness is a synonym of Consent. Consent is the opposite of Oppose. 
Actor is a synonym of Worker. Worker is related to Farmer. 
Delight <--RelatedTo--> Emotion <--IsA-- Willingness <--Synonym--> Consent <--Antonym--> Oppose 
Actor <--Synonym--> Worker <--RelatedTo--> Farmer 