you are likely to find Person in/at/on Family. Intellectual is a type of Person. Mentor is a type of Intellectual. 
Strengthen is a synonym of Comfort. Comfort is related to Help. Help is the opposite of Do. 
Family <--AtLocation-- Person <--IsA-- Intellectual <--IsA-- Mentor 
Strengthen <--Synonym--> Comfort <--RelatedTo--> Help <--Antonym--> Do 