1) Altruistic one 2) Altruistic person 3) Divider 4) Generous one 5) Generous sort 6) Generous type 7) Not a hog 8) One who partakes 9) Opposite of a hog 10) Partaker 11) Participant 12) Participator 13) Unselfish sort Found on https://www.crosswordclues.com/clue/sharer