First degree of the Strict Observance. My best description of the man(-like) figure is “king”.
Also in the French Mutus Liber Latomorum we find a few kings, such as the one below. Would it be so simple that this is King Solomon?
Top: Feddersen (Die Arbeitstafel in der Freimaurerei Band I (1982) D/4, P. 338) Berlin 1782
Bottom: Mutus Liber Latomorum (1765)