'Free will' in the Bible

for you know that everyone, slave or free, will be rewarded by the Lord for his good conduct.

I appeal therefore to those who are elders among you; I am their brother-elder and a witness to what the Christ suffered, and I am to share in the glory that is to be revealed??2 be shepherds of the flock of God that is among you, not as though it were forced upon you but of your own free will, and not from base love of gain but freely,