philozoist

From Ancient Greek φίλος (phílos, “beloved”) + ζῷον (zôion, “animal”) +‎ -ist.

philozoist (plural philozoists)

1. a lover of all forms of life (as opposed to only humans or those life forms useful to humans)
   • 1837, William Holl, Neville Wood, editors, The Analyst, volume XII, page 344:

     Man, the philozoist observes, may use animals, but he may not abuse them.

• A Dictionary of New Medical Terms (1905) by George Milbry Gould

• zoophilist, zoöphilist