Answer:
Permissive parenting style.
Explanation:
Permissive parenting is a form of parenting style in which parents give their children "free hand" such that, there is lesser demands or guidelines from them, but with greater responsiveness to their children demands or needs both in emotional or physical aspect.
Often times, Permissive parents appears like friends to their children.
Hence, in this case, Christel's Father is considered to have a Permissive parenting style because, he gives his daughter everything she wants, to the extent that people believes he is spoiling her daughter, which is a perfect definition of permissive parenting style.