Old Man: We can help you go down a different path. Jin-Woo: What do you mean? Old man We ...

right, wonder if its a typo bcos its too weird XD

It does sound weird, especially when he repeats himself haha
Spoiler alert
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But what he’s implying isn’t that the purpose of the association is to keep other guilds and awaken people in check. They are like the police for the awakened, since regular people are weak and can’t really enforce the law in them. So the chairmen is essentially saying that he’s giving him an option to be someone who enforces the law instead of him joining a guild and fighting as a vanguard against the gates. The association and the guilds are like two jurisdictions of awakened people.

Spoiler
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Jin-Who doesn’t take the position anyway, cause his main goal is to get stronger, plus the system won’t allow him to quit the gates, and anyway, even if he did agree to join the Association it would be bad. The association deals with law breaking awakened, and the system would tell him to kill anyone that has murderous intent, so it’d Ben a bad combo...