cautor, ōris, m. [caveo]. *
I One who is on his guard or is wary , Plaut. Capt. 2, 2, 6.—
II One who is surety or bail for any one , Cic. Sest. 7, 15.
cautor ōris, m caveo, an insurer, averter : alieni periculi. ...
An Elementary Latin Dictionary