不随 is read as ふずい (fuzui) and means paralysis.
ふずい
fuzui
ふずいいうんどう
involuntary movement
ふずいい
involuntary
ふずいいきん
involuntary muscles
はんしんふずい
hemiplegia (paralysis on one side of the body)
ぜんしんふずい
total paralysis
ふしん
dullness
ふとうめい
opacity
doubt
ふこう
(the crime of) cursing one's parents
ふりえき
disadvantage
ふかひ
inevitable
ぶきよう
clumsy