Executor Zygand is a level 14 quest giver located in Brill in the forsaken starting zone of Tirisfal Glades.
He starts the following quests:
[8] At War With The Scarlet Crusade (1)
[9] At War With The Scarlet Crusade (2)
[10] At War With The Scarlet Crusade (3)
[12] At War With The Scarlet Crusade (4)
He ends the quest:
[10] Wanted: Maggot Eye
See List of Tirisfal Glades NPCs.