How do you say §519君の家に泊まってもいいという親切な誘いを、なぜその孤児が受け入れないのか理由を考えてみれば、誘いをかける前にその子が心を開き、安心するよう、君が努力しなかったことが分かるでしょう。 in English?

Considering what is preventing the orphan boy from accepting your kind offer that he may stay with you, you'll come to know that you hadn't done a lot in opening his mind and freeing him from anxiety before you gave him the offer.