悩ます
なやます · nayamasu · JLPT N1 · verb-godan
to bother
🦟 悩む (to worry) + causative = make someone worried, i.e. to bother or harass
悩 carries the heart radical 忄, marking it as a feeling. 悩む means to be troubled; 悩ます is the causative, to trouble someone else. A mosquito bothers people in the same way.