He is part of the Village council, which is in session when Padan Fain arrives.
Perrin Aybara was apprenticed to Master Luhhan in his smithy since his youth. Master Luhhan was always supportive of Perrin, Mat and Rand al'Thor despite rumors and claims by the Children of the Light that they were Darkfriends which led to his arrest.
Haral crafted the Half-moon axe which Perrin carried through most of the series.
Perrin arranges for someone to keep Haral from being bothered while he helps prepare the village against Trollocs using his blacksmithing skill.