Healer

Healers are beneficial characters in both and EarthBound. The can heal certain status ailments, such as being turned to stone, mushroomized, diamondized, numbness or being possessed. While usually they charge money, they will pay 50 to take the mushroom from atop of a character's head. In Mother, they can also restore Ninten or Ana's PP. In EarthBound, they work for the magic healing shrine.

In Mother 3
Memo text implies they were originally intended to reappear in Mother 3, inside the Item Guy's cart. Unused sprites of a man's eyes peering from the tent may have been intended for this purpose; however, it was likely deemed unnecessary due to hot springs restoring status ailments.

Memo
"The man who lives in the Item Guy's tent with him. When your body feels strange, one miracle from him will leave you feeling refreshed."