Definition of infiltrate for English Language Learners. : 1  to secretly enter or join (something, such as a group or an organization) in order to get information or do harm. : 2  to cause (someone) to secretly enter or join a group, organization, etc. : 3  to pass into or through (something)
Arafat, Yasir or Yasser (yaesÄrË yÃ¤sÄrË; âaerËaefaet) [ Ã¤rËÃ¤fÃ¤t ], sÉrâkey, 1929 2004 leader Of The Palestine (LIBERATION), organization plo the coordinating Body for, palestinian organizations and Head Of, al fatah the largest group IN. The plo he was Born, in cairo but spent most of his Youth. in jerusalem
Yaghi-Siyan was the governor of Antioch during the First Crusade. He was a Turkic slave of the Seljuk sultan Malik Shah I, who had captured Antioch in 1085 and appointed Yaghi-Siyan governor around 1090.