Garfa

A mercenary of the French army who gets upset when Maria interferes with battles, since it means he doesn't get paid.

[Spoiler] He's assigned by Bernard and Guillaume into killing Maria if she keeps interfering. [/Spoiler]

[Spoiler] After killing Yvain, he loses his left arm by a straight cannonball during battle. He survives and fully gives his support to Bernard, receiving a metal arm and becomes the leader of the mercenary group. [/Spoiler]

(Source: Junketsu no Maria Wikia)