Achievement is related to Best. Best is a synonym of Own. Own is related to Independent. 
Ministry is a type of Employment. Service is a type of Employment. Service is a type of Work. Fill is a type of Work. 
Achievement <--RelatedTo--> Best <--Synonym--> Own <--RelatedTo--> Independent 
Ministry --IsA--> Employment <--IsA-- Service --IsA--> Work <--IsA-- Fill 