Roger Hooker Leavitt
Joshua later became the editor of the abolitionist newspaper "The Emancipator" , was a prime force behind the defense of the crew of the "Amistad" , a slave ship that had sustained a mutiny aboard , and in 1833 founded the New York Anti-Slavery Society . 
<triplet> New York Anti-Slavery Society <subj> 1833 <obj> inception