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"imitator" is also used as a crossword clue. If that's what you saw, the answer is often copycat (7 letters).
Definitions
someone who copies the words or behavior of another
Word origin
From French imitateur, derived from Latin imitātor, equivalent to imitate + -or.
Used in a sentence
“Chalk it up to the government’s revelations in recent years about UFOs, or maybe just the pendulum swinging back, again, after “The X-Files” inspired a host of imitators in the 1990s.”
“Other far-right sites would gravitate to Epik. Among the first to announce its migration in early 2019 was BitChute, a YouTube imitator that had been blocked by PayPal.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Copycat performer”8 letters
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