I never said their father liked Shi, only that he likes him because he does his job like him, but he dislikes Shi for that scar, which goes from then right scapula to left lower back
He prefers Death but dislikes him because he is too soft, he likes Life because she is the smallest and the most innocent, he hates Shi because of the scar, but Shi admires him and the father respects that
Why does Shi feel like the out-cast of the Natura family? Death doesn't really like him, Life has been hurt by him, their father hates him, and Mortalita fears him.