Journalist is derived from Journal. Journalist is a synonym of Reporter. Reporter is related to Correspondent. Correspondent is related to Person. 
Mandate is etymologically related to Command. Commander is derived from Command. 
Journal <--DerivedFrom-- Journalist <--Synonym--> Reporter <--RelatedTo--> Correspondent <--RelatedTo--> Person 
Mandate --EtymologicallyRelatedTo--> Command <--DerivedFrom-- Commander 