我意 is read as がい (gai) and means self-will.
がい
gai
わがいをえる
to approve of
わがいをえたり
you've hit the nail on the head
じがいしき
self-consciousness
われ
oneself
わがや
one's house
わがくに
our country
われわれ
we
わが
my
がまん
self-control
われら
you
わがみ
you (referring to one's inferior)