What is the distinction between «الذي يحفظ الأمانة محبوب» and an explicit “loved because trustworthy” formulation?

Defining the Subject by a Relative Pronoun: Purposes and Rhetorical Applications

• The first is meaningless
• The second has no predication
• The first implies rationale through a clause; the second expressly states the cause
• Neither allows any causal interpretation