His Jewel is the Level...symbolizing that all Masons meet on the level, without regard to social, political or religious beliefs or status.
The Senior Warden of a Masonic Lodge is the second in charge within the Lodge Officers. In the absence of the Worshipful Master, the Senior Warden assumes the Worshipful Master's duties.
The Senior Warden of a Masonic Lodge sits in the West (symbolic of the setting sun) and assists the Worshipful Master in opening and closing the Lodge. His position is similar to a Vice-President of any organization. It is his duty to support the Master and to prepare himself for that office during the following year.
The Senior Warden of a Masonic Lodge is an elected officer of the Lodge.