Robinson recovered from his illness with a newfound sense of the importance of Christianity. Thinking that he was stuck on the island for good, he explored around the island more, discovering a forested area with various fruit trees, where he built a smaller dwelling in addition to his main one.
Let us examine what these acts of worship are. Testimony (Shahadah) ... Formal Prayer (Salah) ... Charity (Zakah) ... Fasting (Saum) ... Pilgrimage (Hajj)