755 ILCS 9/20

The following persons are disqualified from acting as a supporter: (1) a person who is an employer or employee of the principal, unless the person is an immediate family member of the principal; (2) a person directly providing paid support services to the principal, unless the person is an immediate family member of the principal; (3) a person who works for an agency that is financially responsible for the care of the principal; (4) a person who is listed on the Health Care Worker Registry maintained by the Illinois Department of Public Health as ineligible to work; (5) an individual who is the subject of a civil or criminal order prohibiting contact with the principal; and (6) a person who has been convicted of: (i) a sex offense; (ii) aggravated assault; (iii) fraud; (iv) theft; (v) forgery; or (vi) extortion.