A bargain made by a stranger with one of the parties to a suit, by which such third person undertakes to curry on the litigation at his own cost and risk, in consideration of receivlng, lf he wins the suit, a part of the land or other subject sought to be recovered by the action. Small v. Mott, 22 wend. (N. Y.) 405; Jewel v. Neidy, 61 Iowa, 299, 16 N. W. 141; weakly v. Hall, 13 ohio, 175. 42 Am. Dec. 194; Poe v. Davis, 29 Ala. 083; Gilman v. Jones. 87 Ala. 691, 5 South. 785, 7 South. 48, 4 L. R. A. 113: Torrence v. Shedd, 112 111. 466; Cas-serleigh v. wood, 119 Fed. 308, 56 C. C. A. 212