Armigers
From Silver Sun Republic Codex
Definition
From Wikipedia: "In heraldry, an armiger is a person entitled to use a heraldic achievement (e.g., bear arms, an "armour-bearer") either by hereditary right, grant, matriculation, or assumption of arms. Such a person is said to be armigerous."
Usage in the Republic
Armigers in the Republic are generally Nobile, Eques, Ministers, Great Houses, and individual deemed worthy as Grandi.