I don't think any of these people are gonna answer you, but [The white ears fold back briefly. His brows pinch in the middle, his lips frown.] they probably knew what it meant to "serve" anyway.

[After a moment of not exactly knowing what to say for comfort or resolution, he holds out the shovel to Arya.] It's gonna be worse if we don't hurry up and figure out how to fix everything. This place is caught in the middle. It's going to be a graveyard by the time those two idiots are satisfied.

Here. Take it. [He'll let her have it if she's willing. Feels wrong to make a kid shovel grave dirt, but he knows all too well how much stabbing the ground can help when you're angry at the world. Even something that simple.] I can use my hands.