In this chapter:
(1) “Amicus attorney” means an attorney appointed by the court in a suit, other than a suit filed by a governmental entity, whose role is to provide legal services necessary to assist the court in protecting a child’s best interests rather than to provide legal services to the child.
(2) “Attorney ad litem” means an attorney who provides legal services to a person, including a child, and who owes to the person the duties of undivided loyalty, confidentiality, and competent representation.
(3) “Developmentally appropriate” means structured to account for a child’s age, level of education, cultural background, and degree of language acquisition.
(4) “Dual role” means the role of an attorney who is appointed under § 107.0125 to act as both guardian ad litem and attorney ad litem for a child in a suit filed by a governmental entity.
(5) “Guardian ad litem” means a person appointed to represent the best interests of a child. The term includes:
(A) a volunteer advocate from a charitable organization described by Subchapter C who is appointed by the court as the child’s guardian ad litem;
(B) a professional, other than an attorney, who holds a relevant professional license and whose training relates to the determination of a child’s best interests;
(C) an adult having the competence, training, and expertise determined by the court to be sufficient to represent the best interests of the child; or
(D) an attorney ad litem appointed to serve in the dual role.