To be accepted in Halrax, you must appease Ithurga, the stolid leader of the settlement.
'Good, I'm grateful for the understanding.
'Respect amongst the citizens of Halrax is earned and lost through deed and effort. Some folks test my resolve by eschewing their tithe and letting that debt grow too long. If you want to prove your value to Halrax, see these debts collected. Yes?'
Ithurga wants you to collect debts from residents holding back their tithes. He directed you to scout the town for Methen, Akubis, Dagan, and Yigo to collect their debts.
You collected the four debts. Return to Ithurga at his abode in lower Halrax.
Ithurga directed you to purchase a bag of coins that matter to him from the vault-keeper in Halrax. The vault is in the upper ward of the township. Return to Ithurga with your tithe.