Barnato's Bodyguard

Alan Roderick, AKA Damon Maxwell, has a DNA quirk that prevents him from aging at any normal rate. He could be immortal. Then again, he could be killed. He decides to take risks anyway, to keep an incredibly long life interesting. In this, the 2nd in a series, he goes to Africa with a famous correspondent to report on the first Boer War. He winds up in the employ of Barney Barnato, owner of diamond mines, as Chief of Security. He's perfect in the job, until a woman from the past complicates...