What's the difference between symposiarch and toastmaster?

Symposiarch

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Definition:

• (n.) The master of a feast.

Example Sentences:

Toastmaster

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Definition:

• (n.) A person who presides at a public dinner or banquet, and announces the toasts.

Example Sentences:

• (1) I joined Toastmasters, a non-profit organisation that helps with public-speaking skills.
• (2) I coach people in storytelling too and I recently won a Toastmasters International gold award for being an advanced communicator.