IPA: //sænɪˈtɛəriən//
KK: /sænɪˈtɛrɪən/
A person who specializes in public health and sanitation, focusing on maintaining cleanliness and preventing disease.
The sanitarian inspected the restaurant to ensure it met health and safety standards.
Sanitarian → It is formed from "sanitas" (meaning health) and the suffix "-ian" (meaning relating to or characterized by). The word "sanitarian" refers to someone who is concerned with health or hygiene.
Think of 'sanitas' which means health, and remember that a 'sanitarian' is someone who is related to health and hygiene.