warranter noun. 
['wɒr(ǝ)ntǝ] LME.[formed as WARRANTABLE + -ER1.]1.  A person who assures another of safety; a protector. 
rare. 
LME-E19.2.  A person who assures, authorizes, or guarantees something. 
L16.3.  Law. = 
WARRANTOR. 
E18.  [TahlilGaran] English Dictionary ▲