Have Swordsmen and Master Swordsmen respect the player if they mastered the sword skill
(Grand) Mastery in the swords skill could make swordsmen peaceful when chatted to
Edit: Sorry, wrong forum, it's an RFE, not a bug.
This would probably be hardly useful because by the time you achieve (grand) mastery in swords, swordsmen are not a danger anymore anyway. But it would add flavor. Perhaps swordsmen could also offer a mini quest or something, like the frogs.