From Wiktionary, the free dictionary
From begrudge + -er.
begrudger (plural begrudgers)
- One who begrudges.
2008 June 8, Maureen Dowd, “Watch Out, Meryl Streep! She’s a Master Thespian.”, in New York Times[1]:She still doesn’t believe Obama can win, but she knows she can move ahead only as a beguiler, not a begrudger.