It seems that you pasted the wrong username. You are referring to @NexusBet, which is not a scammer in my opinion, but above you there is a comment from @LuckyLabs^[1], who appears to be the scammer.
I gave him negative trust, and if there are any additional details, include them here.

[1] https://bitcointalk.org/index.php?action=profile;u=2565299