I think that it would look like fraud if HE sent money to YOU... like he paid you to get into States.
But you have the opposite situation, also you are going to sign an affidavit for him which already implies some kind of your financial support (if I am not mistaken).
Using Money Transfers as Evidence
in K-1 Fiance(e) Visa Process & Procedures
Posted
I think that it would look like fraud if HE sent money to YOU... like he paid you to get into States.
But you have the opposite situation, also you are going to sign an affidavit for him which already implies some kind of your financial support (if I am not mistaken).