Thank you for writing in here.
It sounds like your daughter's friend may be experiencing neglect
and/or emotional abuse from her mother at times.
Yes, she needs help and support from you and others like Child Protective Services, a social worker, and/or a family therapist.
It's wonderful that she can come over your place.
Yes, she may talk to her school counselor.
But, many children with similar situations may have difficulty telling a school counselor or teacher about their parents.
If your daughter's friend has this difficulty, you may make an anonymous report to a local Child Protective Services (CPS).
CPS may or may not investigate her home.
At least, CPS may be ready to intervene her situation.
Your daughter's friend seems to suffer from her home situation, whether she deals with her mother's neglect and abuse OR a relationship problem between her and her mother.
Please let me know if you have more questions or I have overlooked any. Warm regards,
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