To the extent there is no conflict of interest between the representative and the person represented or among those being represented with respect to a particular question or dispute, all of the following apply:

1. (A) A guardian of the estate may represent and bind the estate that the guardian of the estate controls.
2. (B) A guardian of the person may represent and bind the ward if a guardian of the estate has not been appointed.
3. (C) An agent having authority to act with respect to the particular question or dispute may represent and bind the principal.
4. (D) Except as provided in division (F) of section 5801.10 of the Revised Code, a trustee may represent and bind the beneficiaries of the trust.
5. (E) A personal representative of a decedent's estate may represent and bind persons interested in the estate.
6. (F) A parent may represent and bind the parent's minor or unborn child if neither a guardian for the child's estate or a guardian of the person has been appointed. If a minor or unborn child is not represented by a parent under this division, another person may represent and bind the minor or unborn child under section 5803.04 of the Revised Code if the requirements of that section are met.