Agent noun of file; one who files something.(noun)
A software program for managing files.(noun)
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Use "filer" in a sentence
"But I'm sure that me and millions of people just like me don't really care what the filer is as long as we see the two kisses and of coarse Harry defeating voldemort."
"The only difference between the "religious" donations of a standard-deduction - taker and a Schedule-A - filer is rent-seeking prowess."
"The application, filed Jan. 25, asked whether the filer was a party in a lawsuit, and"