People can be Ethical. People is a type of Group. Population is a type of Group. 
Domain is a synonym of World. World is related to Peace. Peace is related to Charity. Charity is related to Aid. 
Ethical <--HasProperty-- People --IsA--> Group <--IsA-- Population 
Domain <--Synonym--> World <--RelatedTo--> Peace <--RelatedTo--> Charity <--RelatedTo--> Aid 