Lyric discussion by stevegil 

Cover art for Jack lyrics by Xavier Rudd

Perhaps 'his father' doubles as his physical father, but also god, since the previous lines are in the past tense, it could mean that his life ended. Therefore the grave may be jack's own grave and he is meeting his maker. Then again it could just be his physical father. Just throwing out ideas. But I want to know what the gravel rash and taking his shoes off bit in the first verse are about