Possible Clues:

• One who will not have animals, say, in a vehicle
• Non-consumer of animal products
• There's no animal in this animal
• Fussy eater, say, among the leaders
• One avoiding all animal-based food
• Non-meat-eater given star name
• A picky eater, say, in the camper
• Animal lover of sorts?
• One not eating animals
• Person refraining from using animal products in any way