blurrer
nounEtymology From blur + -er.
1
One who or that which blurs.
- Other boundary-blurrers: the leper is "a walking oxymoron; violating the sacrosanct boundary between life and death, he had long been a figure of anomaly and hence of pollution"; […]1992, Linda Woodbridge, Edward I. Berry, True Rites and Maimed Rites, page 294: