Trust is a type of Organization. Organization is related to Bank. Bank is a type of Reserve. Reserve is related to People. 
Have is a synonym of Possess. Possess is the opposite of Lack. Lack is related to Missing. Missing is a form of Miss. 
Trust --IsA--> Organization <--RelatedTo--> Bank --IsA--> Reserve <--RelatedTo--> People 
Have <--Synonym--> Possess <--Antonym--> Lack <--RelatedTo--> Missing --FormOf--> Miss 