What trick did crusoe play on the wicked man? in the story robinson crusoe by a daniel defoe

The trick that Crusoe played on the wicked man was of the religious patterns. He started to play it on the wicked man when he realized that he understood things more clearly when taught through religious way.

After rescuing one of the Natives of the Island, Crusoe starts to converse with him so that he can know about him and his native people. He named him Friday and started making strategies through which he can teach him the way of living. He taught him to speak some words of English, the way to clothe oneself, the eating habits and to call him his ‘master.’ Crusoe noticed that it was easy for him to educate Friday through religious patterns. He tells him about God and his creations with whom Friday easily related his own deity Benamuckee.