Complex sentence: Moseley was a public-spirited individual who, in a rather peculiar case that illustrates the vagaries of colonial justice, was banned from holding public office for several years because of his attempt to obtain evidence linking Colonial Governor Charles Eden to the pirate Blackbeard.
Split into simpler sentences: Moseley was a public-spirited individual who temporarily suffered the vagaries of colonial justice. He was banned from holding public office for several years because of his attempt to obtain evidence linking Colonial Governor Charles Eden to the pirate Blackbeard.