Mr Ledezma has called for non-violence.
Feargus O'Connor and the Chartist leaders on Kennington Common in 1848 were frantic for non-violence.
"I'm been working for 30 years for non-violence," he said.
Both of them stand for non-violence and peace and, as such, are arguably polar opposites to Alfred.
Too often, a call for non-violence becomes a blanket excuse to do nothing and maintain the status quo.
At the tomb of Mahatma Gandhi, the father of the Indian nation, he praised Mr Gandhi's "struggle for non-violence and peace".
All anti-settler monitors say they will abide by his calls for non-violence (though stone-throwing is thought not to count).
To date Hamas refuses to sign up to the principles laid down by the Quartet (the EU, the UN, the US and Russia): namely the need for non-violence, recognition of Israel, and acceptance of previous agreements and obligations.
It will not be amenable to calls for non-violence, and anyway the most effective of the non-violent activists are dead or in prison or have left the country.
In 1997 she founded the Centre for Non-Violence Through the Arts, housed at the Darpana Academy, to encourage dialogue among artists and facilitate creative projects on the subject of nonviolence.
We've had enough of the police brutality, of the colorblind mythologies and post-racial rhetoric, of the sweet-talk, of the calls for non-violence; of mass incarceration and systemic poverty, of trigger happy cops and crying black mothers, of the Eric Garners and Renisha McBrides, the Michael Browns and Tarika Wilsons; of black tears and white terror.
