Companion Care Needed - Full-time / Part-time

About who needs care: He has heart, kidney issues. Has had throat cancer and had his voice box removed. Has never been married and no children. He depends on my sister for everything. She just lost her husband and he needs more care and attention then she able to right now. About the care needs: Checking in, making sure he's eating and getting rest. Getting groceries, doctor appointments and just someone to visit and keep him company. Services needed include: transportation, meal preparation, errands / shopping, light housekeeping, and companionship.