member of a family, in relation to a person, means —
- a partner, father, mother, grandfather, grandmother, step-father, step-mother, son, daughter, grand-son, granddaughter, step-son, step-daughter, brother, sister, half-brother and half-sister of the person and
- any person who stands in the place of a parent Parent of a worker includes a person who has day to day care and control of the worker in relation to the person