Related על גיטין 122:3

They [may] store Terumah (i.e., the portion set aside for a Kohen, which must remain pure), at the place (i.e., a grain silo) of an Israelite (non-Kohen) am ha'aretz, but they [may] not store Terumah at the place of a Kohen am ha'aretz, since he has no shame in front of it.