One who steals money they have been trusted with, especially from one's employer; one who embezzles(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "embezzler" in a sentence
"There's a railroad dick Edward Brophy who isn't quite sure why he's been asked to stakeout this train, but who begins to suspect that Jace is an "embezzler" when he finds stacks of money — his life savings — in this average joe's suitcase."
"The classwork involved poring over fake bank records and tax returns, interviewing mock suspects, and tailing an "embezzler" as he walked across campus carrying a sack of poker chips - all in hopes that some students may decide they want to do that kind of thing for real."
"The suicide is contemptible, besides being pitiable, when he is hounded out of life despite himself, when he is a little embezzler of a clerk who rushes from the music hall to the Thames and thinks of the unfinished glass with his last breath."