Definition - What does Trustor mean?
A trustor is a party who sets up a trust, and places assets into it. Once the assets are in the trust, it becomes the responsibility of the third party (the trustee) to manage and maintain the assets. This could include distribution to a beneficiary. Trustors are also known as grantors.
Justipedia explains Trustor
Trustors are also sometimes referred to as "donors," or "settlers."
There are many different assets that can be put inside of a trust, e.g. cash, stocks, bonds, real estate, land and many other assets.
Once the trust is set up and initiated, the trustee is legally required to carry out the terms of the trust according to the wishes of the trustor. Some trusts are revocable, and some are irrevocable.