Supervisor is a type of Colleague. Director is a type of Supervisor. Director is a type of Person. Person is related to Ego. 
Proof is a type of Evidence. Evidence is related to Court. Court is related to Gathering. Gathering is related to Social. 
Colleague <--IsA-- Supervisor <--IsA-- Director --IsA--> Person <--RelatedTo--> Ego 
Proof --IsA--> Evidence <--RelatedTo--> Court <--RelatedTo--> Gathering <--RelatedTo--> Social 