1) He detests you 2) Signatory 3) Signer 
• (n.) One who abhors.
Member of an English court party in the reign of Charles II who `abhorred` the opposition to the royal prerogative shown by the rival party, the Petitioners, led by Lord Shaftesbury. The former...
Ab·hor'rer noun One who abhors. Hume. 
[n] - a signer of a 1679 address to Charles II in which those who petitioned for the reconvening of Parliament were condemned and abhorred
abhorrer Someone who regards others, or certain things, with extreme repugnance.
noun a signer of a 1679 address to Charles II in which those who petitioned for the reconvening of parliament were condemned and abhorred