Daughter keeps telling helper she doesn’t like her

How old is your daughter? I will prepare my children that we will be hiring a helper and explain what will she be doing n she will be staying at our house etc. Sees what is her reaction. U can ask her why n talk to her nicely. See what she said. And monitor the how helper treat her and let the helper understand that too. After awhile should be fine. Don't punish your daughter. It takes time to get use to a helper.