infiltrators

In the U.S., undocumented immigrants from Mexico are “illegals”; in Israel, Eritrean refugees are “infiltrators.”

We have some infiltrators inside and we are gaining day by day defectors to join the Free Syria Army.

(The Onion) Want to keep tabs on the whereabouts of so-called illegal “infiltrators” in Israel?

Her party colleague, Ofir Akunis, has submitted a bill imposing a five-year prison sentence on anyone employing "infiltrators."

Some were incursions by genuine infiltrators, called fedayeen, who launched violent attacks against Israelis.

Somewhere in the crowd, there might be infiltrators, fake Xnetters, but what could they do with this knowledge?