How do you think Dunk ended up with Ser Eustace? (Spoilers Main)
In The Hedge Knight, we learn that Ser Arlan taught Dunk that hedge knights were the truest sort of knight because they could follow their beliefs and not be bound up by the whims of some lord:
>"A hedge knight is the truest kind of knight, Dunk," the old man had told him, a long long time ago.
>"Other knights serve the lords who keep them, or from whom they hold their lands, but we serve where we will, for men whose causes we believe in.. Every knight swears to protect the weak and innocent, but we keep the vow best, I think." Queer how strong that memory seemed. Dunk had quite forgotten those words. And perhaps the old man had as well, toward the end.
But, in The Sworn Sword, we meet back up with Dunk to find him sworn to Ser Eustace. He's a landed knight, but not one of any particular importance. He's also old, obsessed with the deaths of his sons, and showing signs of the cognitive decline of old age. Dunk also knows almost nothing about Eustace and his past -- he doesn't know about Eustace's role in the Blackfyre Rebellion, his feud with Lady Webber, or his lack of standing with Lord Rowan.
So what is Dunk doing being sworn to Ser Eustace?
I know there's a drought, so it may be particularly hard both to find employment and to just live in the hedges. But surely Dunk could get a job without actually being sworn -- just do the same work in exchange for room and board, though free to leave when conditions improve, the lord ser proves himself dishonorable, or there's a conflict and knights are in more demand.
Instead of being free to serve "men whose causes we believe in," Dunk just ends up sworn to a random dude he has no reason to believe in and (duh) ends up in a conflict he doesn't believe in either.
What gives?