Well here i go i hope i explain this well.
Feederism (Lite version):
Trait:
Feeder- This trait makes a person feed other sims and enjoy when a sim gains weight or is fat. A couple of abilities will be granted.
Feedee- They love being stuffed and fed. They take joy from gaining weight and eating a lot of food. Gains a couple of abilities.
Feederism (Dark Version):
Death Feeder: Death feeders wants to feed sims to death, Gaining a new form of death. Death By Overfed.
Evil Feeder: When a person has evil and feeder traits equipped a new ability is akin to the movie feed (2005). They normally keep sims confined to a bed or chair and feed them to death
Death Feedee: A death Feedee, wants to die by overeating and enjoys getting sick with being overfed.
Forceful Feedee: when a feedee gets the perfection trait or Hot-Headed Trait with the feedee trait. They gain the ability to Force other sims to feed them or bring them food.
Abilities gained ( lite version):
Feeders:
Force Feed sim: This ability allow an active sim to make a sim eat more than one meal. causes a negative relationship if the receiving sim is not any version of feedee.
Encourage weight gain: A nicer way of getting other sims to gain weight. still cause a negative reaction to it, if the sims is not a feedee.
Feedee abilities:
Ask to be stuffed: The sim will ask other sims to feed them till they get the moodlet “Stuffed.”
Overeat: If you’re adept at XML menus, this allows the active sim to overeat. The overeat with eat a whole grand meal worth of food or allows you to choose how much they will eat.