You must prove your loyalty if you want to hire some of our brave warriors,#. 
Do you want to hire my dwarves? Go and kill a few more of our clan's enemies, then I'll think about it. 
You must earn my trust before I can allow you to command my dwarves. 
Prove your loyalty to our people and they will follow you into battle!
You can only hire my guys after you earn a name among us.
The dwarves will only follow someone they can trust into battle! 
I don't allow crooks to command my warriors. Prove your loyalty to our people, and then come back!
You want to hire dwarves? First you must prove your loyalty to our people! 
How many enemies have you killed?
My guys won't fight for everyone they meet.
Who are you? I haven't heard of you, and my boys haven't!