probabilist

One who holds the doctrine of probabilism.

One who maintains that certainty is impossible, and that probability alone is to govern faith and practice.

One who maintains that certainty is impossible, and that probability alone is to govern our faith and actions.

One who maintains that a man may do that which has a probability of being right, or which is inculcated by teachers of authority, although other opinions may seem to him still more probable.

Someone who studies probability, a particular branch of mathematics.

A follower of probabilism.