The phrase "disturbed person" refers to someone who is mentally or emotionally unwell, experiencing turmoil or distress that can affect their thoughts, feelings, and behavior. Full definition
This means that one can continue pumping without the guilt of disturbing people around. (electricbreastpumpwomen.com)
These ministers were relating with disturbed persons in churches which were stable in membership, with regular worship and a moderate to full program each week. (religion-online.org)