[…] Take these teachings to heart, and always remember that believers in the Lotus Sutra should absolutely be the last to abuse one another. All those who keep faith in the Lotus Sutra are most certainly Buddhas, and one who slanders a Buddha commits a grave offence.
When one chants the daimoku bearing in mind that there are no distinctions among those who embrace the Lotus Sutra, then the blessings one gains will be equal to those of Shakyamuni Buddha.
Nichiren Daishonin, WND1, p756, The Fourteen Slanders
Well that’s pretty clear.