Princeton's WordNet

1. National Liberation Army, ELN(noun)

   a Marxist terrorist group formed in 1963 by Colombian intellectuals who were inspired by the Cuban Revolution; responsible for a campaign of mass kidnappings and resistance to the government's efforts to stop the drug trade

   "ELN kidnappers target foreign employees of large corporations"

2. National Liberation Army, ELN, Nestor Paz Zamora Commission, CNPZ(noun)

   a terrorist organization in Bolivia that acts as an umbrella for numerous small indigenous subversive groups; a revival of a group with Marxist-Leninist ideologies originally established by Che Guevara in the 1960s