The former Manchester City youth player has scored 12 goals for the Dons' U20s team this season.
Nuttall will join up with Brian Reid's side immediately.
Eta attended home and away matches well into her 80s, and was an active member of the SFC Supporters Club.
She will be fondly missed.
The Frenchman scored twice in his 12 appearances for the Blues, including one within a few minutes of his debut against Annan.
Nadé, 32, has been beset by injury problems since arriving at Stair Park, and leaves with our best wishes.