Friend or mate. Used in greetings and to show respect to an equal, especially a fellow West Cumbrian.
An 'outsider' addressed as a marra should feel honoured and 'included' in what may be a select group.
Suppan pints wid me marras.
Tol lass as alluz bin me best marra.
Owa marras r in Wukitn, White-evan n Marypoort.
Me n me marras nivver miss Uppies n Downies.
Aaz nut gaan widoot me jam eater marras.