the Others are the direct descendants from the original inhabitants of the city of Atlantis which is directly underneath the island.
I told YOU all that I would SOLVE lost and I now HAVE!! I will KEEP researching FOR FACTS as THOSE Crazed TPTB (The People THAT Breath) Lindelof and CUSED will NO Doubt BE Panicking NOW and will BE Hurridly REwriting and RESHOOTING scenes to CHANGE the ending because of ME the GREAT Lostigator!!
WarnING the ABOVE contains SPOILERS!!