Apply is the opposite of Give. Dedicate is a type of Give. Dedicate is similar to Devote. 
Missionary is a type of Worker. Missionary is a type of Teacher. Teacher is a type of Educator. Educator is derived from Educate. 
Apply <--Antonym--> Give <--IsA-- Dedicate <--SimilarTo--> Devote 
Worker <--IsA-- Missionary --IsA--> Teacher --IsA--> Educator --DerivedFrom--> Educate 