S.C. Code Ann. § 43-35-280: Civil liability.

After participating in the Vulnerable Adult Guardian ad Litem Program training, an individual who is appointed to serve as a guardian ad litem and who serves without compensation is not liable for any civil damages for any personal injury as a result of any act or omission by the guardian ad litem in the discharge of the duties and responsibilities of a guardian ad litem if the guardian ad litem acts in good faith and is not guilty of gross negligence.