Relating to; pertaining to; affecting; involving; being engaged in or taking part in. U. S. v. Fulkerson (D. C.) 74 Fed. 631; May v. Brown, 3 Barn. & C. J37; Ensworth v. Holly, 33 Mo. 370; Miller v. Navigation Co., 32 W. Va. 46, 9 S. E. 57; TJ.’S. v. Scott (C. C.) 74 Fed. 217; McDonald v. White, 130 111. 493, 22 N. E. 599.