IPA: /ˈpʌb.lɪ.kən/
KK: /ˈpʌblɪkən/
A person who manages or owns a pub or tavern, or historically, someone who collected taxes from the public.
The publican greeted us warmly as we entered the tavern.
Publican → It is formed from "publicus" (meaning of the people) and the suffix "-an" (indicating a person associated with). The word "publican" refers to a person associated with the public or community, often in the context of tax collection in ancient Rome.
Think of someone who is 'of the people' ('publicus') — that's why a publican is a person associated with the community.