Supply is a synonym of Afford. Afford is a synonym of Contribute. Contribute is related to Contribution. 
Emergency is a type of Hazard. Disaster is a type of Emergency. Disaster is a synonym of Casualty. Casualty is a type of Victim. 
Supply <--Synonym--> Afford <--Synonym--> Contribute <--RelatedTo--> Contribution 
Hazard <--IsA-- Emergency <--IsA-- Disaster <--Synonym--> Casualty --IsA--> Victim 