You've got me doing some peeling of the onion. I just found this reference which may or may not be Capt William Robinson:

"The discouragement of the relatives at home and their attitude toward guerrillas was reflected in their letters to soldiers. Two samples from a Confederate mail bag captured at Indian Bay in Monroe County, Arkansas, in early March 1864 are quoted below. A pious sister wrote to her brother:

Parson Nolan is our sercut rider now. He says that God has plainly promisedto be on our side, an drive the accursed Yankees from off our soil. Parson Nolan is a splendid preacher, but it don't look to me as if God was drivin the Yankees any too much outen Arkansas just now. There's one thing I don't like at all, and that is the gerrilla bisness. They don't do any good at all, and just rob everybody. Parson Nolan prayed agen em at our house last Sunday, and I was right glad of it, for that sneaken thief Robinson was there, and pa says he is nigh onto the meanest man in Arkansas. May you live happy, die happy and get into the everlastin kingdom above. " Guerrillas, Jayhawkers and Bushwhackers in Northern Arkansas During the Civil War By Leo E. Huff http://thelibrary.org/lochist/periodicals/ozarkswatch/ow404s.htm