n. 互济会会员

[法] 互济会

[ noun ]
a member of a widespread secret fraternal order pledged to mutual assistance and brotherly love
<noun.person>

Freemason \Free"ma`son\, n.
One of an ancient and secret association or fraternity, said
to have been at first composed of masons or builders in
stone, but now consisting of persons who are united for
social enjoyment and mutual assistance.