Ina is definitely excited to have a friend, even if she won't admit it (easily) lmao.
Alicia is Selendis's daughter and the final guaranteed party member.
The compromise comment is intentional. It's a reference to how no one gets everything they want from compromises; gallows humor on Selendis's part.
I know some of this stuff from a weird past with plenty of farm experience, but it's fun to look up some of it too! I research a lot of stuff to try to get ROUGHLY feasible content, tho obviously having magic and magitech gives me a lot of wiggle room. Always a good way to learn!