Slop.

During the lifetime of great revolutionaries, the oppressing classes constantly hounded them, received their theories with the most savage malice, the most furious hatred and the most unscrupulous campaigns of lies and slander. After their death, attempts are made to convert them into harmless icons, to canonize them, so to say, and to hallow their names to a certain extent for the “consolation” of the oppressed classes and with the object of duping the latter, while at the same time robbing the revolutionary theory of its substance, blunting its revolutionary edge and vulgarizing it.

He was the founder and one of the leaders of the armed wing of the African National Congress (ANC), also known as uMkhonto weSizwe (MK). They mainly did things like sabotage government buildings by destroying electrical substations, or detonating car bombs to kill government security/military. They would also burn down farms. They absolutely killed people and Nelon Mandela was personally part of the planning and execution.

They did this as part of an ultimatum against the South African government to end apartheid through constitutional amendment or the campaign of sabotage would continue. Mandela was a hero and should be remembered and venerated as such.