IPA: /ˈtʃɛəˌpɜːsən/
KK: /ˈtʃɛrˌpɜrsən/
A person who leads a meeting or organization, often responsible for making decisions and guiding discussions.
The chairperson called the meeting to order and introduced the agenda.
Chairperson → It is formed from "chair" (from Old French *chaiere*, meaning a seat or throne) and "person" (from Latin *persona*, meaning an individual or character). The word "chairperson" refers to an individual who occupies the seat of authority in a meeting or organization.
Think of someone who occupies a 'seat' ('chair') of authority and is an 'individual' ('person') leading a group.