Definitions of impostor
a person who pretends to be someone else
Police are questioning a 31-year-old serial impostor who passed himself off as a 15 year old schoolboy.
There are multiple definitions - click on the translation that matches your context.
Substantiv
full
noun
a person who pretends to be someone else
Police are questioning a 31-year-old serial impostor who passed himself off as a 15 year old schoolboy.