Definition of "misdemeanour"

Therefore, welcome new Secretary of State for Transport Mark Harper, a man about whom even my esteemed political journalist friends know little - apart from the fact he was once Chief Whip, a job that requires knowing about every Tory MP's misdemeanours.

2022 November 16, Christian Wolmar, “Can Merriman use his rail knowledge to make a difference?”, in RAIL, number 970, page 44