The state seal of Georgia was adopted by the State Constitution in 1798. The obverse (main face) features the state coat of arms. The three pillars are symbols of the legislative, judicial and executive branches of government. The man standing with drawn sword defends the Constitution and its principles of Wisdom, Justice and Moderation. 1776 is of course the year the United States declared independence. The Georgia coat of arms also appears on the state flag:

The reverse of the state seal displays a scene of Agriculture and Commerce - a ship with cotton and tobacco, and a man plowing.

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Authorized use of the State Seal of Georgia: Georgia SOS
All State Seals - National Seal