Freer

1. (social) Unconstrained.

   He was given free rein to do whatever he wanted.

2. Obtainable without any payment.

   It's free real estate.

3. (abstract) Unconstrained.
4. (physical) Unconstrained.
5. Without; not containing (what is specified); exempt; clear; liberated.

   We had a wholesome, filling meal, free of meat.  I would like to live free from care in the mountains.

6. Ready; eager; acting without spurring or whipping; spirited.

   a free horse

7. Invested with a particular freedom or franchise; enjoying certain immunities or privileges; admitted to special rights; followed by of.
8. Certain or honourable; the opposite of base.

   free service;  free socage

9. Privileged or individual; the opposite of common.

   a free fishery;  a free warren

noun

One who frees.