Support is the opposite of Protest. Protest is related to Professional. Practitioner is a type of Professional. 
Implication is a type of Involvement. Implication is a synonym of Significance. Significance is a type of Meaning. Moral is a type of Meaning. 
Support <--Antonym--> Protest <--RelatedTo--> Professional <--IsA-- Practitioner 
Involvement <--IsA-- Implication <--Synonym--> Significance --IsA--> Meaning <--IsA-- Moral 