INTER (between) + LOAFER (idiot) = a loafer tries to INTRUDE in other's affairs.
inter(enter) loper(lopal = inside in telgu) so if u enter inside without permission u r an intruder
inter(internet)+ developer --- they can be the "intruder" of your personal life ,,, by hacking your pc
nter(enter)+loper(LANDLOPER.....MEANS NOMAD...OR VAGABOND.....OR A WITHOUT ANYHOME OR PROPERTY...)....SO IF A LANDLOPER ENTERS YOUR HOUSE AND CLAIMS THAT HE OWNS YOUR ALL PROPERTY,.........WHAT WILL U CALL HIM.... an interloper...............
inter (between or amid) loper (loafer -> wanderer) so a loafer who wanders on to your property is an intruder...
In cities INTERCEPTORs (vehicles of police) are there to track INTRUDERS.
most of us know about INTER MILAN the football club, what if a player named LOPER try to intrude in the team during transfer season... then LOPER is an INTERLOPER
e-loper is someone who runs away/out without permission. Inter-loper is someone who runs in without permission.