主, a pictographic character of the flame of a lamp, serves as a phonetic component to form characters.
In modern Chinese 主 means: 1.an owner; a master
1.an owner; a master
4.to be in charge of
Characters formed by the phonetic component 主
住 驻/駐 注 柱 拄 蛀 炷 宔 疰 砫 迬 嵀 殶 樦 霔 with the same pronunciation zhù
罜 麈 with the same pronunciation zhǔ