Companion Care Needed - Full-time / Part-time

About who needs care: Mom is independent. I just need someone available as a backup to my brother to run errands for her and to be available if she has a medical emergency. I will be out of town for 1 week. About the care needs: Driver. Can run errands for her. Will be available as a temp emergency contact if my mother has a medical need. RN/NA background is great. Services needed include: transportation, meal preparation, errands / shopping, and light housekeeping.