Do you even know who Nelson Mandela is or why he was locked up in the first place? He co founded the militant group Umkhonto we Sizwe that acted as the armed wing of the ANC.
In his I am prepared to die speech he said.
"At the beginning of June 1961, after a long and anxious assessment of the South African situation, I, and some colleagues, came to the conclusion that as violence in this country was inevitable, it would be unrealistic and wrong for African leaders to continue preaching peace and non-violence at a time when the government met our peaceful demands with force.
This conclusion was not easily arrived at. It was only when all else had failed, when all channels of peaceful protest had been barred to us, that the decision was made to embark on violent forms of political struggle, and to form Umkhonto we Sizwe. We did so not because we desired such a course, but solely because the government had left us with no other choice. In the Manifesto of Umkhonto published on 16 December 1961, which is exhibit AD, we said:
So no, he was not Mother Teresa, he was a freedom fighter. One who the US declared a terrorist and was on the US watch list until removed in 2008.
No different from Mamma Assata Shakur.