Knee is related to Money. Money is related to Expensive. Expensive is related to Tax. Tax is the opposite of Subsidy. 
Outsider is the opposite of Citizen. Citizen is the opposite of Foreigner. Foreigner is related to Stranger. Stranger can be used for Meeting. 
Knee <--RelatedTo--> Money <--RelatedTo--> Expensive <--RelatedTo--> Tax <--Antonym--> Subsidy 
Outsider <--Antonym--> Citizen <--Antonym--> Foreigner <--RelatedTo--> Stranger --UsedFor--> Meeting 