1290. The settlor, the beneficiary or any other interested person may, notwithstanding any stipulation to the contrary, take action against the trustee to compel him to perform his obligations or to perform any act which is necessary in the interest of the trust, to enjoin him to abstain from any action harmful to the trust or to have him removed.
He may also impugn any acts performed by the trustee in fraud of the trust patrimony or the rights of the beneficiary.