Senses
台柱子/ 臺柱子 leading actor
The star performer or main attraction of a theatrical troupe
台柱子/ 臺柱子 supporting pillar
A main pillar supporting a structure such as a theatrical stage
台柱子/ 臺柱子 mainstay
The pillar, backbone, or key member of an organization or collective; a person upon whom a project or group depends