Champerty

Definition:

(n.) Partnership in power; equal share of authority.
(n.) The prosecution or defense of a suit, whether by furnishing money or personal services, by one who has no legitimate concern therein, in consideration of an agreement that he shall receive, in the event of success, a share of the matter in suit; maintenance with the addition of an agreement to divide the thing in suit. See Maintenance.

Compare champerty with other words:

champertor vs. champerty