Friar

Friars are special monks that do a service to a community and that lead a simple life, rather than living like ascets in a monastery.
Orders.
There are two classes of orders known as friars, or mendicant orders: the four "great orders" and the so-called "lesser orders". 
Four great orders.
The four great orders were mentioned by the Second Council of Lyons (1274), and are:
Lesser orders.
The lesser orders are: