You'll have to earn some more respect if you want to trade with me.
Prove that you can be trusted, and I will offer you my wares.
I'm not sure about you, #.
Are you a friend of Gondor, or its enemy?
Are you a friend of Gondor, #?
I only trade with trusted friends of Gondor, #.
I do not trade with any odd stranger that passes by...
You will have to prove your allegiance to Gondor if you wish to trade with me.
I do not trust you enough to trade with you. You will have to prove yourself, #.
Prove yourself to Gondor, and then I shall trade with you!
You will have to do more good before I can trade with you.