The brother being trained must understand what is expected of him. If he is struggling with what he is asked to do, a loving elder does not quickly conclude that he is not qualified.
उदाहरणार्थ, तो ईश्‍वरशासित सेवा प्रशालेत भाग घेतो, बाप्तिस्मा न घेतलेला प्रचारक बनतो, वगैरे वगैरे.