Dutch? No (no Dutch rider signed to PicPost or V|LAB from a devo team this off-season)
French? Yes
(If it's because he's not an Olympian as a cyclist, but in some other sport, then I don't see how that's supposed to help; I'll just treat it as a straight "No".) You'll know when you see it.
Belgian? No
Did he ride for a devo-team last year? Yes
Does he ride for Lotto Intermarché? No
On WT last year? No*
On same team last year? ish
On team of his own nationality last year? Yes
On team of his own nationality? Yes
On WT? Yes
Ever started a GT? No
Male? Yes
Is the person expected to become an Olympian this year? No
And/or has a good chance to become one in 2028? No
Active? Yes
European? Yes
Olympian? No...