impostor

Etymology

From Middle French imposteur.

noun

1. Someone who attempts to deceive by using an assumed name or identity.
2. (computer graphics) A sprite or animation integrated into a three-dimensional scene, but not based on an actual 3D model.
3. (linguistics) A term referenced in an unusual grammatical person.
   Interestingly, Wang shows that Chinese allows the appearance of an indexical pronoun alongside the imposter, as in (31). 2014, Daniel Kaufman, “The Syntax of Indonesian Imposters”, in Chris Collins, editor, Cross-Linguistic Studies of Imposters and Pronominal Agreement, page 105
   One possibility is that mothers of HR [higher-risk] infants frequently use non-pronoun forms in place of pronouns, as in the impostor uses noted above. 2018, Angela Xiaoxue He, Rhiannon Luyster, Sudha Arunachalam, “Personal pronoun usage in maternal input to infants at high vs. low risk for autism spectrum disorder”, in First Language, volume 38, number 5, →DOI