This person's claim that God will soon "sail his Ark upon thee" prompted the construction of an arc-shaped complex facing his burial place in Acre. For 10 points each:
[10m] Name this exiled writer of The Seven Valleys and the "Most Holy Book" who referred to his followers as "companions of the Crimson Ark."
ANSWER: Baháʼu'lláh [or Mírzá Ḥusayn-`Alí Núrí]
[10e] Baháʼu'lláh's description of an ark sailing with the people of Bahá is set on this city's Mount Carmel. The Baháʼí faith is led from the Universal House of Justice based in this Northern Israeli city.
ANSWER: Haifa
[10h] Baháʼu'lláh's son referred to an "Ark of the Cause of God" helmed by "the Center" of this concept to refute dissenters whom he called its "breakers." This concept's lesser form affirms the chain of succession of Baha'i leaders.
ANSWER: the Covenant [or the Covenant of Baháʼu'lláh; or the Center of the Covenant; or Covenant-breakers]
<Sean Farrell , Religion - Mixed/Any>